Home / 42,578.66-58,701.30-29,814.68

Finding the Fourth Proportional to 42,578.66, 58,701.30 and 29,814.68

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Solution

The fourth proportional to 42,578.66, 58,701.30 and 29,814.68 is: 41,104.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,578.66 : 58,701.30 = 29,814.68 : x
  2. Step 2: Convert to fraction form
    42,578.66/58,701.30 = 29,814.68/x
  3. Step 3: Cross multiply
    42,578.66x = 58,701.30 × 29,814.68
  4. Step 4: Simplify right side
    42,578.66x = 1,750,160,475.08
  5. Step 5: Solve for x
    x = 1,750,160,475.08/42,578.66
  6. Step 6: Final answer
    x = 41,104.17

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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.