Home / 45,584.72-68,152.28-38,642.20

Finding the Fourth Proportional to 45,584.72, 68,152.28 and 38,642.20

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Solution

The fourth proportional to 45,584.72, 68,152.28 and 38,642.20 is: 57,772.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,584.72 : 68,152.28 = 38,642.20 : x
  2. Step 2: Convert to fraction form
    45,584.72/68,152.28 = 38,642.20/x
  3. Step 3: Cross multiply
    45,584.72x = 68,152.28 × 38,642.20
  4. Step 4: Simplify right side
    45,584.72x = 2,633,554,034.22
  5. Step 5: Solve for x
    x = 2,633,554,034.22/45,584.72
  6. Step 6: Final answer
    x = 57,772.74

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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.