Home / 42,138.64-62,739.94-41,550.12

Finding the Fourth Proportional to 42,138.64, 62,739.94 and 41,550.12

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Solution

The fourth proportional to 42,138.64, 62,739.94 and 41,550.12 is: 61,863.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,138.64 : 62,739.94 = 41,550.12 : x
  2. Step 2: Convert to fraction form
    42,138.64/62,739.94 = 41,550.12/x
  3. Step 3: Cross multiply
    42,138.64x = 62,739.94 × 41,550.12
  4. Step 4: Simplify right side
    42,138.64x = 2,606,852,035.79
  5. Step 5: Solve for x
    x = 2,606,852,035.79/42,138.64
  6. Step 6: Final answer
    x = 61,863.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.