Home / 67,221.06-92,763.12-38,539.77

Finding the Fourth Proportional to 67,221.06, 92,763.12 and 38,539.77

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Solution

The fourth proportional to 67,221.06, 92,763.12 and 38,539.77 is: 53,183.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,221.06 : 92,763.12 = 38,539.77 : x
  2. Step 2: Convert to fraction form
    67,221.06/92,763.12 = 38,539.77/x
  3. Step 3: Cross multiply
    67,221.06x = 92,763.12 × 38,539.77
  4. Step 4: Simplify right side
    67,221.06x = 3,575,069,309.28
  5. Step 5: Solve for x
    x = 3,575,069,309.28/67,221.06
  6. Step 6: Final answer
    x = 53,183.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.