Home / 39,315.87-54,307.82-29,127.59

Finding the Fourth Proportional to 39,315.87, 54,307.82 and 29,127.59

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Solution

The fourth proportional to 39,315.87, 54,307.82 and 29,127.59 is: 40,234.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,315.87 : 54,307.82 = 29,127.59 : x
  2. Step 2: Convert to fraction form
    39,315.87/54,307.82 = 29,127.59/x
  3. Step 3: Cross multiply
    39,315.87x = 54,307.82 × 29,127.59
  4. Step 4: Simplify right side
    39,315.87x = 1,581,855,497.58
  5. Step 5: Solve for x
    x = 1,581,855,497.58/39,315.87
  6. Step 6: Final answer
    x = 40,234.53

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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.