Home / 38,012.22-52,457.96-21,017.57

Finding the Fourth Proportional to 38,012.22, 52,457.96 and 21,017.57

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Solution

The fourth proportional to 38,012.22, 52,457.96 and 21,017.57 is: 29,004.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,012.22 : 52,457.96 = 21,017.57 : x
  2. Step 2: Convert to fraction form
    38,012.22/52,457.96 = 21,017.57/x
  3. Step 3: Cross multiply
    38,012.22x = 52,457.96 × 21,017.57
  4. Step 4: Simplify right side
    38,012.22x = 1,102,538,478.98
  5. Step 5: Solve for x
    x = 1,102,538,478.98/38,012.22
  6. Step 6: Final answer
    x = 29,004.84

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Half scale
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Double scale
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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.