Home / 55,132.34-76,080.85-31,261.14

Finding the Fourth Proportional to 55,132.34, 76,080.85 and 31,261.14

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Solution

The fourth proportional to 55,132.34, 76,080.85 and 31,261.14 is: 43,139.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,132.34 : 76,080.85 = 31,261.14 : x
  2. Step 2: Convert to fraction form
    55,132.34/76,080.85 = 31,261.14/x
  3. Step 3: Cross multiply
    55,132.34x = 76,080.85 × 31,261.14
  4. Step 4: Simplify right side
    55,132.34x = 2,378,374,103.17
  5. Step 5: Solve for x
    x = 2,378,374,103.17/55,132.34
  6. Step 6: Final answer
    x = 43,139.36

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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.