Home / 40,478.40-60,687.36-17,089.92

Finding the Fourth Proportional to 40,478.40, 60,687.36 and 17,089.92

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Solution

The fourth proportional to 40,478.40, 60,687.36 and 17,089.92 is: 25,622.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,478.40 : 60,687.36 = 17,089.92 : x
  2. Step 2: Convert to fraction form
    40,478.40/60,687.36 = 17,089.92/x
  3. Step 3: Cross multiply
    40,478.40x = 60,687.36 × 17,089.92
  4. Step 4: Simplify right side
    40,478.40x = 1,037,142,127.41
  5. Step 5: Solve for x
    x = 1,037,142,127.41/40,478.40
  6. Step 6: Final answer
    x = 25,622.11

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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.