Home / 40,485.76-60,737.28-14,192.08

Finding the Fourth Proportional to 40,485.76, 60,737.28 and 14,192.08

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Solution

The fourth proportional to 40,485.76, 60,737.28 and 14,192.08 is: 21,291.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,485.76 : 60,737.28 = 14,192.08 : x
  2. Step 2: Convert to fraction form
    40,485.76/60,737.28 = 14,192.08/x
  3. Step 3: Cross multiply
    40,485.76x = 60,737.28 × 14,192.08
  4. Step 4: Simplify right side
    40,485.76x = 861,988,336.74
  5. Step 5: Solve for x
    x = 861,988,336.74/40,485.76
  6. Step 6: Final answer
    x = 21,291.15

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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.