Home / 42,442.19-58,117.45-40,769.13

Finding the Fourth Proportional to 42,442.19, 58,117.45 and 40,769.13

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Solution

The fourth proportional to 42,442.19, 58,117.45 and 40,769.13 is: 55,826.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,442.19 : 58,117.45 = 40,769.13 : x
  2. Step 2: Convert to fraction form
    42,442.19/58,117.45 = 40,769.13/x
  3. Step 3: Cross multiply
    42,442.19x = 58,117.45 × 40,769.13
  4. Step 4: Simplify right side
    42,442.19x = 2,369,397,772.40
  5. Step 5: Solve for x
    x = 2,369,397,772.40/42,442.19
  6. Step 6: Final answer
    x = 55,826.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.