Home / 74,070.50-111,116.67-21,473.15

Finding the Fourth Proportional to 74,070.50, 111,116.67 and 21,473.15

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Solution

The fourth proportional to 74,070.50, 111,116.67 and 21,473.15 is: 32,212.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,070.50 : 111,116.67 = 21,473.15 : x
  2. Step 2: Convert to fraction form
    74,070.50/111,116.67 = 21,473.15/x
  3. Step 3: Cross multiply
    74,070.50x = 111,116.67 × 21,473.15
  4. Step 4: Simplify right side
    74,070.50x = 2,386,024,366.83
  5. Step 5: Solve for x
    x = 2,386,024,366.83/74,070.50
  6. Step 6: Final answer
    x = 32,212.89

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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.