Home / 39,237.94-54,147.96-29,211.22

Finding the Fourth Proportional to 39,237.94, 54,147.96 and 29,211.22

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Solution

The fourth proportional to 39,237.94, 54,147.96 and 29,211.22 is: 40,311.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,237.94 : 54,147.96 = 29,211.22 : x
  2. Step 2: Convert to fraction form
    39,237.94/54,147.96 = 29,211.22/x
  3. Step 3: Cross multiply
    39,237.94x = 54,147.96 × 29,211.22
  4. Step 4: Simplify right side
    39,237.94x = 1,581,727,972.11
  5. Step 5: Solve for x
    x = 1,581,727,972.11/39,237.94
  6. Step 6: Final answer
    x = 40,311.19

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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.