Home / 67,998.40-102,031.02-30,584.92

Finding the Fourth Proportional to 67,998.40, 102,031.02 and 30,584.92

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Solution

The fourth proportional to 67,998.40, 102,031.02 and 30,584.92 is: 45,892.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,998.40 : 102,031.02 = 30,584.92 : x
  2. Step 2: Convert to fraction form
    67,998.40/102,031.02 = 30,584.92/x
  3. Step 3: Cross multiply
    67,998.40x = 102,031.02 × 30,584.92
  4. Step 4: Simplify right side
    67,998.40x = 3,120,610,584.22
  5. Step 5: Solve for x
    x = 3,120,610,584.22/67,998.40
  6. Step 6: Final answer
    x = 45,892.41

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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.