Home / 42,153.20-63,211.26-22,427.06

Finding the Fourth Proportional to 42,153.20, 63,211.26 and 22,427.06

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Solution

The fourth proportional to 42,153.20, 63,211.26 and 22,427.06 is: 33,630.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,153.20 : 63,211.26 = 22,427.06 : x
  2. Step 2: Convert to fraction form
    42,153.20/63,211.26 = 22,427.06/x
  3. Step 3: Cross multiply
    42,153.20x = 63,211.26 × 22,427.06
  4. Step 4: Simplify right side
    42,153.20x = 1,417,642,404.64
  5. Step 5: Solve for x
    x = 1,417,642,404.64/42,153.20
  6. Step 6: Final answer
    x = 33,630.72

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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.