Home / 55,335.60-76,363.20-30,185.52

Finding the Fourth Proportional to 55,335.60, 76,363.20 and 30,185.52

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Solution

The fourth proportional to 55,335.60, 76,363.20 and 30,185.52 is: 41,656.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,335.60 : 76,363.20 = 30,185.52 : x
  2. Step 2: Convert to fraction form
    55,335.60/76,363.20 = 30,185.52/x
  3. Step 3: Cross multiply
    55,335.60x = 76,363.20 × 30,185.52
  4. Step 4: Simplify right side
    55,335.60x = 2,305,062,900.86
  5. Step 5: Solve for x
    x = 2,305,062,900.86/55,335.60
  6. Step 6: Final answer
    x = 41,656.06

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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.