Home / 42,252.30-63,378.45-11,090.70

Finding the Fourth Proportional to 42,252.30, 63,378.45 and 11,090.70

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Solution

The fourth proportional to 42,252.30, 63,378.45 and 11,090.70 is: 16,636.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,252.30 : 63,378.45 = 11,090.70 : x
  2. Step 2: Convert to fraction form
    42,252.30/63,378.45 = 11,090.70/x
  3. Step 3: Cross multiply
    42,252.30x = 63,378.45 × 11,090.70
  4. Step 4: Simplify right side
    42,252.30x = 702,911,375.42
  5. Step 5: Solve for x
    x = 702,911,375.42/42,252.30
  6. Step 6: Final answer
    x = 16,636.05

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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.