Home / 47,207.52-70,811.12-12,146.96

Finding the Fourth Proportional to 47,207.52, 70,811.12 and 12,146.96

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Solution

The fourth proportional to 47,207.52, 70,811.12 and 12,146.96 is: 18,220.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,207.52 : 70,811.12 = 12,146.96 : x
  2. Step 2: Convert to fraction form
    47,207.52/70,811.12 = 12,146.96/x
  3. Step 3: Cross multiply
    47,207.52x = 70,811.12 × 12,146.96
  4. Step 4: Simplify right side
    47,207.52x = 860,139,842.20
  5. Step 5: Solve for x
    x = 860,139,842.20/47,207.52
  6. Step 6: Final answer
    x = 18,220.40

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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.