Home / 39,954.87-55,158.45-29,187.65

Finding the Fourth Proportional to 39,954.87, 55,158.45 and 29,187.65

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Solution

The fourth proportional to 39,954.87, 55,158.45 and 29,187.65 is: 40,294.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,954.87 : 55,158.45 = 29,187.65 : x
  2. Step 2: Convert to fraction form
    39,954.87/55,158.45 = 29,187.65/x
  3. Step 3: Cross multiply
    39,954.87x = 55,158.45 × 29,187.65
  4. Step 4: Simplify right side
    39,954.87x = 1,609,945,703.50
  5. Step 5: Solve for x
    x = 1,609,945,703.50/39,954.87
  6. Step 6: Final answer
    x = 40,294.10

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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.