Home / 55,081.60-76,010.96-29,931.12

Finding the Fourth Proportional to 55,081.60, 76,010.96 and 29,931.12

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Solution

The fourth proportional to 55,081.60, 76,010.96 and 29,931.12 is: 41,304.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,081.60 : 76,010.96 = 29,931.12 : x
  2. Step 2: Convert to fraction form
    55,081.60/76,010.96 = 29,931.12/x
  3. Step 3: Cross multiply
    55,081.60x = 76,010.96 × 29,931.12
  4. Step 4: Simplify right side
    55,081.60x = 2,275,093,165.08
  5. Step 5: Solve for x
    x = 2,275,093,165.08/55,081.60
  6. Step 6: Final answer
    x = 41,304.05

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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.