Home / 39,489.28-54,498.46-22,498.84

Finding the Fourth Proportional to 39,489.28, 54,498.46 and 22,498.84

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Solution

The fourth proportional to 39,489.28, 54,498.46 and 22,498.84 is: 31,050.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,489.28 : 54,498.46 = 22,498.84 : x
  2. Step 2: Convert to fraction form
    39,489.28/54,498.46 = 22,498.84/x
  3. Step 3: Cross multiply
    39,489.28x = 54,498.46 × 22,498.84
  4. Step 4: Simplify right side
    39,489.28x = 1,226,152,131.79
  5. Step 5: Solve for x
    x = 1,226,152,131.79/39,489.28
  6. Step 6: Final answer
    x = 31,050.25

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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.