Home / 39,207.15-54,104.10-22,211.06

Finding the Fourth Proportional to 39,207.15, 54,104.10 and 22,211.06

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Solution

The fourth proportional to 39,207.15, 54,104.10 and 22,211.06 is: 30,650.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,207.15 : 54,104.10 = 22,211.06 : x
  2. Step 2: Convert to fraction form
    39,207.15/54,104.10 = 22,211.06/x
  3. Step 3: Cross multiply
    39,207.15x = 54,104.10 × 22,211.06
  4. Step 4: Simplify right side
    39,207.15x = 1,201,709,140.83
  5. Step 5: Solve for x
    x = 1,201,709,140.83/39,207.15
  6. Step 6: Final answer
    x = 30,650.25

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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.