Home / 38,317.29-52,878.33-21,550.29

Finding the Fourth Proportional to 38,317.29, 52,878.33 and 21,550.29

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Solution

The fourth proportional to 38,317.29, 52,878.33 and 21,550.29 is: 29,739.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,317.29 : 52,878.33 = 21,550.29 : x
  2. Step 2: Convert to fraction form
    38,317.29/52,878.33 = 21,550.29/x
  3. Step 3: Cross multiply
    38,317.29x = 52,878.33 × 21,550.29
  4. Step 4: Simplify right side
    38,317.29x = 1,139,543,346.22
  5. Step 5: Solve for x
    x = 1,139,543,346.22/38,317.29
  6. Step 6: Final answer
    x = 29,739.66

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Half scale
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Double scale
Find fourth proportional to 38,318.29, 52,879.71 and 21,551.29
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.