Home / 67,671.25-93,364.85-39,371.47

Finding the Fourth Proportional to 67,671.25, 93,364.85 and 39,371.47

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Solution

The fourth proportional to 67,671.25, 93,364.85 and 39,371.47 is: 54,320.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,671.25 : 93,364.85 = 39,371.47 : x
  2. Step 2: Convert to fraction form
    67,671.25/93,364.85 = 39,371.47/x
  3. Step 3: Cross multiply
    67,671.25x = 93,364.85 × 39,371.47
  4. Step 4: Simplify right side
    67,671.25x = 3,675,911,255.85
  5. Step 5: Solve for x
    x = 3,675,911,255.85/67,671.25
  6. Step 6: Final answer
    x = 54,320.13

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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.