Home / 31,565.04-43,546.52-22,139.76

Finding the Fourth Proportional to 31,565.04, 43,546.52 and 22,139.76

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Solution

The fourth proportional to 31,565.04, 43,546.52 and 22,139.76 is: 30,543.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,565.04 : 43,546.52 = 22,139.76 : x
  2. Step 2: Convert to fraction form
    31,565.04/43,546.52 = 22,139.76/x
  3. Step 3: Cross multiply
    31,565.04x = 43,546.52 × 22,139.76
  4. Step 4: Simplify right side
    31,565.04x = 964,109,501.64
  5. Step 5: Solve for x
    x = 964,109,501.64/31,565.04
  6. Step 6: Final answer
    x = 30,543.59

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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.