Home / 45,434.64-68,071.32-38,793.72

Finding the Fourth Proportional to 45,434.64, 68,071.32 and 38,793.72

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Solution

The fourth proportional to 45,434.64, 68,071.32 and 38,793.72 is: 58,121.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,434.64 : 68,071.32 = 38,793.72 : x
  2. Step 2: Convert to fraction form
    45,434.64/68,071.32 = 38,793.72/x
  3. Step 3: Cross multiply
    45,434.64x = 68,071.32 × 38,793.72
  4. Step 4: Simplify right side
    45,434.64x = 2,640,739,728.11
  5. Step 5: Solve for x
    x = 2,640,739,728.11/45,434.64
  6. Step 6: Final answer
    x = 58,121.73

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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.