Home / 84,817.40-127,226.10-22,487.90

Finding the Fourth Proportional to 84,817.40, 127,226.10 and 22,487.90

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Solution

The fourth proportional to 84,817.40, 127,226.10 and 22,487.90 is: 33,731.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,817.40 : 127,226.10 = 22,487.90 : x
  2. Step 2: Convert to fraction form
    84,817.40/127,226.10 = 22,487.90/x
  3. Step 3: Cross multiply
    84,817.40x = 127,226.10 × 22,487.90
  4. Step 4: Simplify right side
    84,817.40x = 2,861,047,814.19
  5. Step 5: Solve for x
    x = 2,861,047,814.19/84,817.40
  6. Step 6: Final answer
    x = 33,731.85

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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.