Home / 40,607.76-60,915.15-14,312.73

Finding the Fourth Proportional to 40,607.76, 60,915.15 and 14,312.73

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Solution

The fourth proportional to 40,607.76, 60,915.15 and 14,312.73 is: 21,470.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,607.76 : 60,915.15 = 14,312.73 : x
  2. Step 2: Convert to fraction form
    40,607.76/60,915.15 = 14,312.73/x
  3. Step 3: Cross multiply
    40,607.76x = 60,915.15 × 14,312.73
  4. Step 4: Simplify right side
    40,607.76x = 871,862,094.86
  5. Step 5: Solve for x
    x = 871,862,094.86/40,607.76
  6. Step 6: Final answer
    x = 21,470.33

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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.