Home / 56,659.12-84,998.40-30,356.80

Finding the Fourth Proportional to 56,659.12, 84,998.40 and 30,356.80

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Solution

The fourth proportional to 56,659.12, 84,998.40 and 30,356.80 is: 45,540.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,659.12 : 84,998.40 = 30,356.80 : x
  2. Step 2: Convert to fraction form
    56,659.12/84,998.40 = 30,356.80/x
  3. Step 3: Cross multiply
    56,659.12x = 84,998.40 × 30,356.80
  4. Step 4: Simplify right side
    56,659.12x = 2,580,279,429.12
  5. Step 5: Solve for x
    x = 2,580,279,429.12/56,659.12
  6. Step 6: Final answer
    x = 45,540.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.