Home / 42,115.17-63,154.34-15,801.47

Finding the Fourth Proportional to 42,115.17, 63,154.34 and 15,801.47

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Solution

The fourth proportional to 42,115.17, 63,154.34 and 15,801.47 is: 23,695.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,115.17 : 63,154.34 = 15,801.47 : x
  2. Step 2: Convert to fraction form
    42,115.17/63,154.34 = 15,801.47/x
  3. Step 3: Cross multiply
    42,115.17x = 63,154.34 × 15,801.47
  4. Step 4: Simplify right side
    42,115.17x = 997,931,408.88
  5. Step 5: Solve for x
    x = 997,931,408.88/42,115.17
  6. Step 6: Final answer
    x = 23,695.30

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1.5x scale

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.