Home / 48,868.28-67,445.48-30,964.97

Finding the Fourth Proportional to 48,868.28, 67,445.48 and 30,964.97

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Solution

The fourth proportional to 48,868.28, 67,445.48 and 30,964.97 is: 42,736.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,868.28 : 67,445.48 = 30,964.97 : x
  2. Step 2: Convert to fraction form
    48,868.28/67,445.48 = 30,964.97/x
  3. Step 3: Cross multiply
    48,868.28x = 67,445.48 × 30,964.97
  4. Step 4: Simplify right side
    48,868.28x = 2,088,447,005.02
  5. Step 5: Solve for x
    x = 2,088,447,005.02/48,868.28
  6. Step 6: Final answer
    x = 42,736.25

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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.