Home / 40,387.42-60,543.49-13,715.17

Finding the Fourth Proportional to 40,387.42, 60,543.49 and 13,715.17

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Solution

The fourth proportional to 40,387.42, 60,543.49 and 13,715.17 is: 20,559.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,387.42 : 60,543.49 = 13,715.17 : x
  2. Step 2: Convert to fraction form
    40,387.42/60,543.49 = 13,715.17/x
  3. Step 3: Cross multiply
    40,387.42x = 60,543.49 × 13,715.17
  4. Step 4: Simplify right side
    40,387.42x = 830,364,257.74
  5. Step 5: Solve for x
    x = 830,364,257.74/40,387.42
  6. Step 6: Final answer
    x = 20,559.97

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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.