Home / 47,750.20-71,603.70-18,158.20

Finding the Fourth Proportional to 47,750.20, 71,603.70 and 18,158.20

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Solution

The fourth proportional to 47,750.20, 71,603.70 and 18,158.20 is: 27,229.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,750.20 : 71,603.70 = 18,158.20 : x
  2. Step 2: Convert to fraction form
    47,750.20/71,603.70 = 18,158.20/x
  3. Step 3: Cross multiply
    47,750.20x = 71,603.70 × 18,158.20
  4. Step 4: Simplify right side
    47,750.20x = 1,300,194,305.34
  5. Step 5: Solve for x
    x = 1,300,194,305.34/47,750.20
  6. Step 6: Final answer
    x = 27,229.09

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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.