Home / 40,284.52-60,406.02-18,078.86

Finding the Fourth Proportional to 40,284.52, 60,406.02 and 18,078.86

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Solution

The fourth proportional to 40,284.52, 60,406.02 and 18,078.86 is: 27,108.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,284.52 : 60,406.02 = 18,078.86 : x
  2. Step 2: Convert to fraction form
    40,284.52/60,406.02 = 18,078.86/x
  3. Step 3: Cross multiply
    40,284.52x = 60,406.02 × 18,078.86
  4. Step 4: Simplify right side
    40,284.52x = 1,092,072,129.75
  5. Step 5: Solve for x
    x = 1,092,072,129.75/40,284.52
  6. Step 6: Final answer
    x = 27,108.98

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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.