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Finding the Fourth Proportional to 52,519.80, 78,830.90 and 26,254.20

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Solution

The fourth proportional to 52,519.80, 78,830.90 and 26,254.20 is: 39,406.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,519.80 : 78,830.90 = 26,254.20 : x
  2. Step 2: Convert to fraction form
    52,519.80/78,830.90 = 26,254.20/x
  3. Step 3: Cross multiply
    52,519.80x = 78,830.90 × 26,254.20
  4. Step 4: Simplify right side
    52,519.80x = 2,069,642,214.78
  5. Step 5: Solve for x
    x = 2,069,642,214.78/52,519.80
  6. Step 6: Final answer
    x = 39,406.89

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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.