Home / 42,643.92-58,872.66-29,570.52

Finding the Fourth Proportional to 42,643.92, 58,872.66 and 29,570.52

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Solution

The fourth proportional to 42,643.92, 58,872.66 and 29,570.52 is: 40,823.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,643.92 : 58,872.66 = 29,570.52 : x
  2. Step 2: Convert to fraction form
    42,643.92/58,872.66 = 29,570.52/x
  3. Step 3: Cross multiply
    42,643.92x = 58,872.66 × 29,570.52
  4. Step 4: Simplify right side
    42,643.92x = 1,740,895,169.98
  5. Step 5: Solve for x
    x = 1,740,895,169.98/42,643.92
  6. Step 6: Final answer
    x = 40,823.99

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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.