Home / 40,449.65-55,820.78-22,545.79

Finding the Fourth Proportional to 40,449.65, 55,820.78 and 22,545.79

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Solution

The fourth proportional to 40,449.65, 55,820.78 and 22,545.79 is: 31,113.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,449.65 : 55,820.78 = 22,545.79 : x
  2. Step 2: Convert to fraction form
    40,449.65/55,820.78 = 22,545.79/x
  3. Step 3: Cross multiply
    40,449.65x = 55,820.78 × 22,545.79
  4. Step 4: Simplify right side
    40,449.65x = 1,258,523,729.77
  5. Step 5: Solve for x
    x = 1,258,523,729.77/40,449.65
  6. Step 6: Final answer
    x = 31,113.34

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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.