Home / 67,211.20-92,746.02-38,918.68

Finding the Fourth Proportional to 67,211.20, 92,746.02 and 38,918.68

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Solution

The fourth proportional to 67,211.20, 92,746.02 and 38,918.68 is: 53,704.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,211.20 : 92,746.02 = 38,918.68 : x
  2. Step 2: Convert to fraction form
    67,211.20/92,746.02 = 38,918.68/x
  3. Step 3: Cross multiply
    67,211.20x = 92,746.02 × 38,918.68
  4. Step 4: Simplify right side
    67,211.20x = 3,609,552,673.65
  5. Step 5: Solve for x
    x = 3,609,552,673.65/67,211.20
  6. Step 6: Final answer
    x = 53,704.63

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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.