Home / 40,402.11-60,603.18-19,337.20

Finding the Fourth Proportional to 40,402.11, 60,603.18 and 19,337.20

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Solution

The fourth proportional to 40,402.11, 60,603.18 and 19,337.20 is: 29,005.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,402.11 : 60,603.18 = 19,337.20 : x
  2. Step 2: Convert to fraction form
    40,402.11/60,603.18 = 19,337.20/x
  3. Step 3: Cross multiply
    40,402.11x = 60,603.18 × 19,337.20
  4. Step 4: Simplify right side
    40,402.11x = 1,171,895,812.30
  5. Step 5: Solve for x
    x = 1,171,895,812.30/40,402.11
  6. Step 6: Final answer
    x = 29,005.81

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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.