Home / 42,110.80-63,089.40-34,277.20

Finding the Fourth Proportional to 42,110.80, 63,089.40 and 34,277.20

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Solution

The fourth proportional to 42,110.80, 63,089.40 and 34,277.20 is: 51,353.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,110.80 : 63,089.40 = 34,277.20 : x
  2. Step 2: Convert to fraction form
    42,110.80/63,089.40 = 34,277.20/x
  3. Step 3: Cross multiply
    42,110.80x = 63,089.40 × 34,277.20
  4. Step 4: Simplify right side
    42,110.80x = 2,162,527,981.68
  5. Step 5: Solve for x
    x = 2,162,527,981.68/42,110.80
  6. Step 6: Final answer
    x = 51,353.29

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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.