Home / 38,137.23-52,629.23-21,370.23

Finding the Fourth Proportional to 38,137.23, 52,629.23 and 21,370.23

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Solution

The fourth proportional to 38,137.23, 52,629.23 and 21,370.23 is: 29,490.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,137.23 : 52,629.23 = 21,370.23 : x
  2. Step 2: Convert to fraction form
    38,137.23/52,629.23 = 21,370.23/x
  3. Step 3: Cross multiply
    38,137.23x = 52,629.23 × 21,370.23
  4. Step 4: Simplify right side
    38,137.23x = 1,124,698,803.25
  5. Step 5: Solve for x
    x = 1,124,698,803.25/38,137.23
  6. Step 6: Final answer
    x = 29,490.84

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Half scale
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Double scale
Find fourth proportional to 38,138.23, 52,630.61 and 21,371.23
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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.