Home / 47,588.98-71,377.80-12,531.37

Finding the Fourth Proportional to 47,588.98, 71,377.80 and 12,531.37

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Solution

The fourth proportional to 47,588.98, 71,377.80 and 12,531.37 is: 18,795.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,588.98 : 71,377.80 = 12,531.37 : x
  2. Step 2: Convert to fraction form
    47,588.98/71,377.80 = 12,531.37/x
  3. Step 3: Cross multiply
    47,588.98x = 71,377.80 × 12,531.37
  4. Step 4: Simplify right side
    47,588.98x = 894,461,621.59
  5. Step 5: Solve for x
    x = 894,461,621.59/47,588.98
  6. Step 6: Final answer
    x = 18,795.56

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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.