Home / 45,335.97-68,016.72-15,756.80

Finding the Fourth Proportional to 45,335.97, 68,016.72 and 15,756.80

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Solution

The fourth proportional to 45,335.97, 68,016.72 and 15,756.80 is: 23,639.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,335.97 : 68,016.72 = 15,756.80 : x
  2. Step 2: Convert to fraction form
    45,335.97/68,016.72 = 15,756.80/x
  3. Step 3: Cross multiply
    45,335.97x = 68,016.72 × 15,756.80
  4. Step 4: Simplify right side
    45,335.97x = 1,071,725,513.61
  5. Step 5: Solve for x
    x = 1,071,725,513.61/45,335.97
  6. Step 6: Final answer
    x = 23,639.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.