Home / 47,889.35-71,809.05-17,878.88

Finding the Fourth Proportional to 47,889.35, 71,809.05 and 17,878.88

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Solution

The fourth proportional to 47,889.35, 71,809.05 and 17,878.88 is: 26,809.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,889.35 : 71,809.05 = 17,878.88 : x
  2. Step 2: Convert to fraction form
    47,889.35/71,809.05 = 17,878.88/x
  3. Step 3: Cross multiply
    47,889.35x = 71,809.05 × 17,878.88
  4. Step 4: Simplify right side
    47,889.35x = 1,283,865,387.86
  5. Step 5: Solve for x
    x = 1,283,865,387.86/47,889.35
  6. Step 6: Final answer
    x = 26,809.00

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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.