Home / 67,271.25-92,834.35-38,993.34

Finding the Fourth Proportional to 67,271.25, 92,834.35 and 38,993.34

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Solution

The fourth proportional to 67,271.25, 92,834.35 and 38,993.34 is: 53,810.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,271.25 : 92,834.35 = 38,993.34 : x
  2. Step 2: Convert to fraction form
    67,271.25/92,834.35 = 38,993.34/x
  3. Step 3: Cross multiply
    67,271.25x = 92,834.35 × 38,993.34
  4. Step 4: Simplify right side
    67,271.25x = 3,619,921,275.75
  5. Step 5: Solve for x
    x = 3,619,921,275.75/67,271.25
  6. Step 6: Final answer
    x = 53,810.82

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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.