Home / 38,475.59-53,097.15-21,247.90

Finding the Fourth Proportional to 38,475.59, 53,097.15 and 21,247.90

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Solution

The fourth proportional to 38,475.59, 53,097.15 and 21,247.90 is: 29,322.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,475.59 : 53,097.15 = 21,247.90 : x
  2. Step 2: Convert to fraction form
    38,475.59/53,097.15 = 21,247.90/x
  3. Step 3: Cross multiply
    38,475.59x = 53,097.15 × 21,247.90
  4. Step 4: Simplify right side
    38,475.59x = 1,128,203,179.09
  5. Step 5: Solve for x
    x = 1,128,203,179.09/38,475.59
  6. Step 6: Final answer
    x = 29,322.57

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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.