Home / 42,180.38-63,270.58-11,015.36

Finding the Fourth Proportional to 42,180.38, 63,270.58 and 11,015.36

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Solution

The fourth proportional to 42,180.38, 63,270.58 and 11,015.36 is: 16,523.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,180.38 : 63,270.58 = 11,015.36 : x
  2. Step 2: Convert to fraction form
    42,180.38/63,270.58 = 11,015.36/x
  3. Step 3: Cross multiply
    42,180.38x = 63,270.58 × 11,015.36
  4. Step 4: Simplify right side
    42,180.38x = 696,948,216.11
  5. Step 5: Solve for x
    x = 696,948,216.11/42,180.38
  6. Step 6: Final answer
    x = 16,523.04

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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.