Home / 47,572.98-71,353.80-12,515.37

Finding the Fourth Proportional to 47,572.98, 71,353.80 and 12,515.37

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Solution

The fourth proportional to 47,572.98, 71,353.80 and 12,515.37 is: 18,771.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,572.98 : 71,353.80 = 12,515.37 : x
  2. Step 2: Convert to fraction form
    47,572.98/71,353.80 = 12,515.37/x
  3. Step 3: Cross multiply
    47,572.98x = 71,353.80 × 12,515.37
  4. Step 4: Simplify right side
    47,572.98x = 893,019,207.91
  5. Step 5: Solve for x
    x = 893,019,207.91/47,572.98
  6. Step 6: Final answer
    x = 18,771.56

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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.