Home / 52,001.70-78,079.35-40,328.10

Finding the Fourth Proportional to 52,001.70, 78,079.35 and 40,328.10

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Solution

The fourth proportional to 52,001.70, 78,079.35 and 40,328.10 is: 60,551.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,001.70 : 78,079.35 = 40,328.10 : x
  2. Step 2: Convert to fraction form
    52,001.70/78,079.35 = 40,328.10/x
  3. Step 3: Cross multiply
    52,001.70x = 78,079.35 × 40,328.10
  4. Step 4: Simplify right side
    52,001.70x = 3,148,791,834.74
  5. Step 5: Solve for x
    x = 3,148,791,834.74/52,001.70
  6. Step 6: Final answer
    x = 60,551.71

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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.