Home / 39,354.30-59,039.96-18,278.91

Finding the Fourth Proportional to 39,354.30, 59,039.96 and 18,278.91

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Solution

The fourth proportional to 39,354.30, 59,039.96 and 18,278.91 is: 27,422.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,354.30 : 59,039.96 = 18,278.91 : x
  2. Step 2: Convert to fraction form
    39,354.30/59,039.96 = 18,278.91/x
  3. Step 3: Cross multiply
    39,354.30x = 59,039.96 × 18,278.91
  4. Step 4: Simplify right side
    39,354.30x = 1,079,186,023.85
  5. Step 5: Solve for x
    x = 1,079,186,023.85/39,354.30
  6. Step 6: Final answer
    x = 27,422.32

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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.