Home / 40,225.87-60,339.57-13,931.47

Finding the Fourth Proportional to 40,225.87, 60,339.57 and 13,931.47

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Solution

The fourth proportional to 40,225.87, 60,339.57 and 13,931.47 is: 20,897.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,225.87 : 60,339.57 = 13,931.47 : x
  2. Step 2: Convert to fraction form
    40,225.87/60,339.57 = 13,931.47/x
  3. Step 3: Cross multiply
    40,225.87x = 60,339.57 × 13,931.47
  4. Step 4: Simplify right side
    40,225.87x = 840,618,909.27
  5. Step 5: Solve for x
    x = 840,618,909.27/40,225.87
  6. Step 6: Final answer
    x = 20,897.47

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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.