Home / 71,787.12-107,697.72-22,539.12

Finding the Fourth Proportional to 71,787.12, 107,697.72 and 22,539.12

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Solution

The fourth proportional to 71,787.12, 107,697.72 and 22,539.12 is: 33,814.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,787.12 : 107,697.72 = 22,539.12 : x
  2. Step 2: Convert to fraction form
    71,787.12/107,697.72 = 22,539.12/x
  3. Step 3: Cross multiply
    71,787.12x = 107,697.72 × 22,539.12
  4. Step 4: Simplify right side
    71,787.12x = 2,427,411,834.81
  5. Step 5: Solve for x
    x = 2,427,411,834.81/71,787.12
  6. Step 6: Final answer
    x = 33,814.03

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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.