Home / 42,627.07-63,938.30-13,044.90

Finding the Fourth Proportional to 42,627.07, 63,938.30 and 13,044.90

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Solution

The fourth proportional to 42,627.07, 63,938.30 and 13,044.90 is: 19,566.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,627.07 : 63,938.30 = 13,044.90 : x
  2. Step 2: Convert to fraction form
    42,627.07/63,938.30 = 13,044.90/x
  3. Step 3: Cross multiply
    42,627.07x = 63,938.30 × 13,044.90
  4. Step 4: Simplify right side
    42,627.07x = 834,068,904.21
  5. Step 5: Solve for x
    x = 834,068,904.21/42,627.07
  6. Step 6: Final answer
    x = 19,566.65

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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.