Home / 39,937.12-55,113.21-22,032.18

Finding the Fourth Proportional to 39,937.12, 55,113.21 and 22,032.18

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Solution

The fourth proportional to 39,937.12, 55,113.21 and 22,032.18 is: 30,404.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,937.12 : 55,113.21 = 22,032.18 : x
  2. Step 2: Convert to fraction form
    39,937.12/55,113.21 = 22,032.18/x
  3. Step 3: Cross multiply
    39,937.12x = 55,113.21 × 22,032.18
  4. Step 4: Simplify right side
    39,937.12x = 1,214,264,163.10
  5. Step 5: Solve for x
    x = 1,214,264,163.10/39,937.12
  6. Step 6: Final answer
    x = 30,404.40

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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.