Home / 38,968.72-58,461.74-18,180.88

Finding the Fourth Proportional to 38,968.72, 58,461.74 and 18,180.88

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Solution

The fourth proportional to 38,968.72, 58,461.74 and 18,180.88 is: 27,275.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,968.72 : 58,461.74 = 18,180.88 : x
  2. Step 2: Convert to fraction form
    38,968.72/58,461.74 = 18,180.88/x
  3. Step 3: Cross multiply
    38,968.72x = 58,461.74 × 18,180.88
  4. Step 4: Simplify right side
    38,968.72x = 1,062,885,879.53
  5. Step 5: Solve for x
    x = 1,062,885,879.53/38,968.72
  6. Step 6: Final answer
    x = 27,275.36

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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.