Home / 39,687.36-54,773.28-22,920.48

Finding the Fourth Proportional to 39,687.36, 54,773.28 and 22,920.48

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Solution

The fourth proportional to 39,687.36, 54,773.28 and 22,920.48 is: 31,632.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,687.36 : 54,773.28 = 22,920.48 : x
  2. Step 2: Convert to fraction form
    39,687.36/54,773.28 = 22,920.48/x
  3. Step 3: Cross multiply
    39,687.36x = 54,773.28 × 22,920.48
  4. Step 4: Simplify right side
    39,687.36x = 1,255,429,868.77
  5. Step 5: Solve for x
    x = 1,255,429,868.77/39,687.36
  6. Step 6: Final answer
    x = 31,632.99

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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.