Home / 52,154.52-78,151.32-35,221.20

Finding the Fourth Proportional to 52,154.52, 78,151.32 and 35,221.20

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Solution

The fourth proportional to 52,154.52, 78,151.32 and 35,221.20 is: 52,777.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,154.52 : 78,151.32 = 35,221.20 : x
  2. Step 2: Convert to fraction form
    52,154.52/78,151.32 = 35,221.20/x
  3. Step 3: Cross multiply
    52,154.52x = 78,151.32 × 35,221.20
  4. Step 4: Simplify right side
    52,154.52x = 2,752,583,271.98
  5. Step 5: Solve for x
    x = 2,752,583,271.98/52,154.52
  6. Step 6: Final answer
    x = 52,777.46

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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.