Home / 52,296.04-78,500.22-21,151.72

Finding the Fourth Proportional to 52,296.04, 78,500.22 and 21,151.72

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Solution

The fourth proportional to 52,296.04, 78,500.22 and 21,151.72 is: 31,750.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,296.04 : 78,500.22 = 21,151.72 : x
  2. Step 2: Convert to fraction form
    52,296.04/78,500.22 = 21,151.72/x
  3. Step 3: Cross multiply
    52,296.04x = 78,500.22 × 21,151.72
  4. Step 4: Simplify right side
    52,296.04x = 1,660,414,673.38
  5. Step 5: Solve for x
    x = 1,660,414,673.38/52,296.04
  6. Step 6: Final answer
    x = 31,750.29

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1.5x scale

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.