Home / 47,573.40-71,354.46-12,515.80

Finding the Fourth Proportional to 47,573.40, 71,354.46 and 12,515.80

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Solution

The fourth proportional to 47,573.40, 71,354.46 and 12,515.80 is: 18,772.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,573.40 : 71,354.46 = 12,515.80 : x
  2. Step 2: Convert to fraction form
    47,573.40/71,354.46 = 12,515.80/x
  3. Step 3: Cross multiply
    47,573.40x = 71,354.46 × 12,515.80
  4. Step 4: Simplify right side
    47,573.40x = 893,058,150.47
  5. Step 5: Solve for x
    x = 893,058,150.47/47,573.40
  6. Step 6: Final answer
    x = 18,772.22

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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.