Home / 60,335.37-90,516.02-18,218.61

Finding the Fourth Proportional to 60,335.37, 90,516.02 and 18,218.61

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Solution

The fourth proportional to 60,335.37, 90,516.02 and 18,218.61 is: 27,331.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,335.37 : 90,516.02 = 18,218.61 : x
  2. Step 2: Convert to fraction form
    60,335.37/90,516.02 = 18,218.61/x
  3. Step 3: Cross multiply
    60,335.37x = 90,516.02 × 18,218.61
  4. Step 4: Simplify right side
    60,335.37x = 1,649,075,976.04
  5. Step 5: Solve for x
    x = 1,649,075,976.04/60,335.37
  6. Step 6: Final answer
    x = 27,331.83

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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.