Home / 39,966.28-55,155.30-22,976.04

Finding the Fourth Proportional to 39,966.28, 55,155.30 and 22,976.04

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Solution

The fourth proportional to 39,966.28, 55,155.30 and 22,976.04 is: 31,707.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,966.28 : 55,155.30 = 22,976.04 : x
  2. Step 2: Convert to fraction form
    39,966.28/55,155.30 = 22,976.04/x
  3. Step 3: Cross multiply
    39,966.28x = 55,155.30 × 22,976.04
  4. Step 4: Simplify right side
    39,966.28x = 1,267,250,379.01
  5. Step 5: Solve for x
    x = 1,267,250,379.01/39,966.28
  6. Step 6: Final answer
    x = 31,707.99

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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.