Home / 42,139.92-58,150.68-25,163.32

Finding the Fourth Proportional to 42,139.92, 58,150.68 and 25,163.32

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Solution

The fourth proportional to 42,139.92, 58,150.68 and 25,163.32 is: 34,723.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,139.92 : 58,150.68 = 25,163.32 : x
  2. Step 2: Convert to fraction form
    42,139.92/58,150.68 = 25,163.32/x
  3. Step 3: Cross multiply
    42,139.92x = 58,150.68 × 25,163.32
  4. Step 4: Simplify right side
    42,139.92x = 1,463,264,169.06
  5. Step 5: Solve for x
    x = 1,463,264,169.06/42,139.92
  6. Step 6: Final answer
    x = 34,723.94

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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.