Home / 39,751.47-54,855.90-22,755.15

Finding the Fourth Proportional to 39,751.47, 54,855.90 and 22,755.15

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Solution

The fourth proportional to 39,751.47, 54,855.90 and 22,755.15 is: 31,401.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,751.47 : 54,855.90 = 22,755.15 : x
  2. Step 2: Convert to fraction form
    39,751.47/54,855.90 = 22,755.15/x
  3. Step 3: Cross multiply
    39,751.47x = 54,855.90 × 22,755.15
  4. Step 4: Simplify right side
    39,751.47x = 1,248,254,232.89
  5. Step 5: Solve for x
    x = 1,248,254,232.89/39,751.47
  6. Step 6: Final answer
    x = 31,401.46

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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.