Home / 55,114.08-76,058.28-31,238.88

Finding the Fourth Proportional to 55,114.08, 76,058.28 and 31,238.88

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Solution

The fourth proportional to 55,114.08, 76,058.28 and 31,238.88 is: 43,110.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,114.08 : 76,058.28 = 31,238.88 : x
  2. Step 2: Convert to fraction form
    55,114.08/76,058.28 = 31,238.88/x
  3. Step 3: Cross multiply
    55,114.08x = 76,058.28 × 31,238.88
  4. Step 4: Simplify right side
    55,114.08x = 2,375,975,481.93
  5. Step 5: Solve for x
    x = 2,375,975,481.93/55,114.08
  6. Step 6: Final answer
    x = 43,110.14

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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.