Home / 42,257.70-63,313.65-20,023.20

Finding the Fourth Proportional to 42,257.70, 63,313.65 and 20,023.20

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Solution

The fourth proportional to 42,257.70, 63,313.65 and 20,023.20 is: 30,000.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,257.70 : 63,313.65 = 20,023.20 : x
  2. Step 2: Convert to fraction form
    42,257.70/63,313.65 = 20,023.20/x
  3. Step 3: Cross multiply
    42,257.70x = 63,313.65 × 20,023.20
  4. Step 4: Simplify right side
    42,257.70x = 1,267,741,876.68
  5. Step 5: Solve for x
    x = 1,267,741,876.68/42,257.70
  6. Step 6: Final answer
    x = 30,000.26

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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.