Home / 67,971.20-93,800.88-39,671.48

Finding the Fourth Proportional to 67,971.20, 93,800.88 and 39,671.48

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Solution

The fourth proportional to 67,971.20, 93,800.88 and 39,671.48 is: 54,747.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,971.20 : 93,800.88 = 39,671.48 : x
  2. Step 2: Convert to fraction form
    67,971.20/93,800.88 = 39,671.48/x
  3. Step 3: Cross multiply
    67,971.20x = 93,800.88 × 39,671.48
  4. Step 4: Simplify right side
    67,971.20x = 3,721,219,734.90
  5. Step 5: Solve for x
    x = 3,721,219,734.90/67,971.20
  6. Step 6: Final answer
    x = 54,747.01

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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.