Home / 38,039.88-52,491-21,041.43

Finding the Fourth Proportional to 38,039.88, 52,491 and 21,041.43

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Solution

The fourth proportional to 38,039.88, 52,491 and 21,041.43 is: 29,034.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,039.88 : 52,491 = 21,041.43 : x
  2. Step 2: Convert to fraction form
    38,039.88/52,491 = 21,041.43/x
  3. Step 3: Cross multiply
    38,039.88x = 52,491 × 21,041.43
  4. Step 4: Simplify right side
    38,039.88x = 1,104,485,702.13
  5. Step 5: Solve for x
    x = 1,104,485,702.13/38,039.88
  6. Step 6: Final answer
    x = 29,034.94

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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.