Home / 40,543.20-55,948.71-22,639.89

Finding the Fourth Proportional to 40,543.20, 55,948.71 and 22,639.89

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Solution

The fourth proportional to 40,543.20, 55,948.71 and 22,639.89 is: 31,242.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,543.20 : 55,948.71 = 22,639.89 : x
  2. Step 2: Convert to fraction form
    40,543.20/55,948.71 = 22,639.89/x
  3. Step 3: Cross multiply
    40,543.20x = 55,948.71 × 22,639.89
  4. Step 4: Simplify right side
    40,543.20x = 1,266,672,640.04
  5. Step 5: Solve for x
    x = 1,266,672,640.04/40,543.20
  6. Step 6: Final answer
    x = 31,242.54

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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.