Home / 39,912.40-55,077.42-22,904.92

Finding the Fourth Proportional to 39,912.40, 55,077.42 and 22,904.92

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Solution

The fourth proportional to 39,912.40, 55,077.42 and 22,904.92 is: 31,607.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,912.40 : 55,077.42 = 22,904.92 : x
  2. Step 2: Convert to fraction form
    39,912.40/55,077.42 = 22,904.92/x
  3. Step 3: Cross multiply
    39,912.40x = 55,077.42 × 22,904.92
  4. Step 4: Simplify right side
    39,912.40x = 1,261,543,898.91
  5. Step 5: Solve for x
    x = 1,261,543,898.91/39,912.40
  6. Step 6: Final answer
    x = 31,607.82

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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.