Home / 52,068.71-78,086.92-18,784.45

Finding the Fourth Proportional to 52,068.71, 78,086.92 and 18,784.45

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Solution

The fourth proportional to 52,068.71, 78,086.92 and 18,784.45 is: 28,170.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,068.71 : 78,086.92 = 18,784.45 : x
  2. Step 2: Convert to fraction form
    52,068.71/78,086.92 = 18,784.45/x
  3. Step 3: Cross multiply
    52,068.71x = 78,086.92 × 18,784.45
  4. Step 4: Simplify right side
    52,068.71x = 1,466,819,844.39
  5. Step 5: Solve for x
    x = 1,466,819,844.39/52,068.71
  6. Step 6: Final answer
    x = 28,170.85

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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.