Home / 67,823.80-101,784.30-38,210.20

Finding the Fourth Proportional to 67,823.80, 101,784.30 and 38,210.20

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Solution

The fourth proportional to 67,823.80, 101,784.30 and 38,210.20 is: 57,342.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,823.80 : 101,784.30 = 38,210.20 : x
  2. Step 2: Convert to fraction form
    67,823.80/101,784.30 = 38,210.20/x
  3. Step 3: Cross multiply
    67,823.80x = 101,784.30 × 38,210.20
  4. Step 4: Simplify right side
    67,823.80x = 3,889,198,459.86
  5. Step 5: Solve for x
    x = 3,889,198,459.86/67,823.80
  6. Step 6: Final answer
    x = 57,342.68

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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.