Home / 45,043.30-62,177.28-40,319.38

Finding the Fourth Proportional to 45,043.30, 62,177.28 and 40,319.38

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Solution

The fourth proportional to 45,043.30, 62,177.28 and 40,319.38 is: 55,656.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,043.30 : 62,177.28 = 40,319.38 : x
  2. Step 2: Convert to fraction form
    45,043.30/62,177.28 = 40,319.38/x
  3. Step 3: Cross multiply
    45,043.30x = 62,177.28 × 40,319.38
  4. Step 4: Simplify right side
    45,043.30x = 2,506,949,379.69
  5. Step 5: Solve for x
    x = 2,506,949,379.69/45,043.30
  6. Step 6: Final answer
    x = 55,656.43

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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.