Home / 39,659.10-54,732.34-22,665.85

Finding the Fourth Proportional to 39,659.10, 54,732.34 and 22,665.85

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Solution

The fourth proportional to 39,659.10, 54,732.34 and 22,665.85 is: 31,280.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,659.10 : 54,732.34 = 22,665.85 : x
  2. Step 2: Convert to fraction form
    39,659.10/54,732.34 = 22,665.85/x
  3. Step 3: Cross multiply
    39,659.10x = 54,732.34 × 22,665.85
  4. Step 4: Simplify right side
    39,659.10x = 1,240,555,008.59
  5. Step 5: Solve for x
    x = 1,240,555,008.59/39,659.10
  6. Step 6: Final answer
    x = 31,280.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.