Home / 38,084-52,555.92-21,317.12

Finding the Fourth Proportional to 38,084, 52,555.92 and 21,317.12

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Solution

The fourth proportional to 38,084, 52,555.92 and 21,317.12 is: 29,417.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,084 : 52,555.92 = 21,317.12 : x
  2. Step 2: Convert to fraction form
    38,084/52,555.92 = 21,317.12/x
  3. Step 3: Cross multiply
    38,084x = 52,555.92 × 21,317.12
  4. Step 4: Simplify right side
    38,084x = 1,120,340,853.35
  5. Step 5: Solve for x
    x = 1,120,340,853.35/38,084
  6. Step 6: Final answer
    x = 29,417.63

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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.