Home / 52,520.70-78,655.77-30,287.58

Finding the Fourth Proportional to 52,520.70, 78,655.77 and 30,287.58

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Solution

The fourth proportional to 52,520.70, 78,655.77 and 30,287.58 is: 45,359.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,520.70 : 78,655.77 = 30,287.58 : x
  2. Step 2: Convert to fraction form
    52,520.70/78,655.77 = 30,287.58/x
  3. Step 3: Cross multiply
    52,520.70x = 78,655.77 × 30,287.58
  4. Step 4: Simplify right side
    52,520.70x = 2,382,292,926.34
  5. Step 5: Solve for x
    x = 2,382,292,926.34/52,520.70
  6. Step 6: Final answer
    x = 45,359.12

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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.