Home / 42,132.56-63,201.60-12,547.94

Finding the Fourth Proportional to 42,132.56, 63,201.60 and 12,547.94

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Solution

The fourth proportional to 42,132.56, 63,201.60 and 12,547.94 is: 18,822.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,132.56 : 63,201.60 = 12,547.94 : x
  2. Step 2: Convert to fraction form
    42,132.56/63,201.60 = 12,547.94/x
  3. Step 3: Cross multiply
    42,132.56x = 63,201.60 × 12,547.94
  4. Step 4: Simplify right side
    42,132.56x = 793,049,568.70
  5. Step 5: Solve for x
    x = 793,049,568.70/42,132.56
  6. Step 6: Final answer
    x = 18,822.73

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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.