Home / 40,062.06-60,129.39-21,357.78

Finding the Fourth Proportional to 40,062.06, 60,129.39 and 21,357.78

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Solution

The fourth proportional to 40,062.06, 60,129.39 and 21,357.78 is: 32,056.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,062.06 : 60,129.39 = 21,357.78 : x
  2. Step 2: Convert to fraction form
    40,062.06/60,129.39 = 21,357.78/x
  3. Step 3: Cross multiply
    40,062.06x = 60,129.39 × 21,357.78
  4. Step 4: Simplify right side
    40,062.06x = 1,284,230,283.15
  5. Step 5: Solve for x
    x = 1,284,230,283.15/40,062.06
  6. Step 6: Final answer
    x = 32,056.02

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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.