Home / 40,496.85-60,688.18-19,126.78

Finding the Fourth Proportional to 40,496.85, 60,688.18 and 19,126.78

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Solution

The fourth proportional to 40,496.85, 60,688.18 and 19,126.78 is: 28,663.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,496.85 : 60,688.18 = 19,126.78 : x
  2. Step 2: Convert to fraction form
    40,496.85/60,688.18 = 19,126.78/x
  3. Step 3: Cross multiply
    40,496.85x = 60,688.18 × 19,126.78
  4. Step 4: Simplify right side
    40,496.85x = 1,160,769,515.28
  5. Step 5: Solve for x
    x = 1,160,769,515.28/40,496.85
  6. Step 6: Final answer
    x = 28,663.21

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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.