Home / 47,877.45-71,810.73-18,294.63

Finding the Fourth Proportional to 47,877.45, 71,810.73 and 18,294.63

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Solution

The fourth proportional to 47,877.45, 71,810.73 and 18,294.63 is: 27,439.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,877.45 : 71,810.73 = 18,294.63 : x
  2. Step 2: Convert to fraction form
    47,877.45/71,810.73 = 18,294.63/x
  3. Step 3: Cross multiply
    47,877.45x = 71,810.73 × 18,294.63
  4. Step 4: Simplify right side
    47,877.45x = 1,313,750,735.38
  5. Step 5: Solve for x
    x = 1,313,750,735.38/47,877.45
  6. Step 6: Final answer
    x = 27,439.86

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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.