Home / 42,728.68-58,960.50-25,732.66

Finding the Fourth Proportional to 42,728.68, 58,960.50 and 25,732.66

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Solution

The fourth proportional to 42,728.68, 58,960.50 and 25,732.66 is: 35,508.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,728.68 : 58,960.50 = 25,732.66 : x
  2. Step 2: Convert to fraction form
    42,728.68/58,960.50 = 25,732.66/x
  3. Step 3: Cross multiply
    42,728.68x = 58,960.50 × 25,732.66
  4. Step 4: Simplify right side
    42,728.68x = 1,517,210,499.93
  5. Step 5: Solve for x
    x = 1,517,210,499.93/42,728.68
  6. Step 6: Final answer
    x = 35,508.01

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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.