Home / 47,480.31-71,231.00-17,898.40

Finding the Fourth Proportional to 47,480.31, 71,231.00 and 17,898.40

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Solution

The fourth proportional to 47,480.31, 71,231.00 and 17,898.40 is: 26,851.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,480.31 : 71,231.00 = 17,898.40 : x
  2. Step 2: Convert to fraction form
    47,480.31/71,231.00 = 17,898.40/x
  3. Step 3: Cross multiply
    47,480.31x = 71,231.00 × 17,898.40
  4. Step 4: Simplify right side
    47,480.31x = 1,274,920,929.95
  5. Step 5: Solve for x
    x = 1,274,920,929.95/47,480.31
  6. Step 6: Final answer
    x = 26,851.57

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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.