Home / 38,935.31-58,382.08-12,276.32

Finding the Fourth Proportional to 38,935.31, 58,382.08 and 12,276.32

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Solution

The fourth proportional to 38,935.31, 58,382.08 and 12,276.32 is: 18,407.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,935.31 : 58,382.08 = 12,276.32 : x
  2. Step 2: Convert to fraction form
    38,935.31/58,382.08 = 12,276.32/x
  3. Step 3: Cross multiply
    38,935.31x = 58,382.08 × 12,276.32
  4. Step 4: Simplify right side
    38,935.31x = 716,716,773.74
  5. Step 5: Solve for x
    x = 716,716,773.74/38,935.31
  6. Step 6: Final answer
    x = 18,407.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.