Home / 39,502.32-59,229.80-18,128.24

Finding the Fourth Proportional to 39,502.32, 59,229.80 and 18,128.24

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Solution

The fourth proportional to 39,502.32, 59,229.80 and 18,128.24 is: 27,181.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,502.32 : 59,229.80 = 18,128.24 : x
  2. Step 2: Convert to fraction form
    39,502.32/59,229.80 = 18,128.24/x
  3. Step 3: Cross multiply
    39,502.32x = 59,229.80 × 18,128.24
  4. Step 4: Simplify right side
    39,502.32x = 1,073,731,932.85
  5. Step 5: Solve for x
    x = 1,073,731,932.85/39,502.32
  6. Step 6: Final answer
    x = 27,181.49

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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.