Home / 45,014.86-67,515.36-15,425.92

Finding the Fourth Proportional to 45,014.86, 67,515.36 and 15,425.92

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Solution

The fourth proportional to 45,014.86, 67,515.36 and 15,425.92 is: 23,136.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,014.86 : 67,515.36 = 15,425.92 : x
  2. Step 2: Convert to fraction form
    45,014.86/67,515.36 = 15,425.92/x
  3. Step 3: Cross multiply
    45,014.86x = 67,515.36 × 15,425.92
  4. Step 4: Simplify right side
    45,014.86x = 1,041,486,542.13
  5. Step 5: Solve for x
    x = 1,041,486,542.13/45,014.86
  6. Step 6: Final answer
    x = 23,136.51

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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.