Home / 47,275.48-70,913.22-12,217.96

Finding the Fourth Proportional to 47,275.48, 70,913.22 and 12,217.96

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Solution

The fourth proportional to 47,275.48, 70,913.22 and 12,217.96 is: 18,326.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,275.48 : 70,913.22 = 12,217.96 : x
  2. Step 2: Convert to fraction form
    47,275.48/70,913.22 = 12,217.96/x
  3. Step 3: Cross multiply
    47,275.48x = 70,913.22 × 12,217.96
  4. Step 4: Simplify right side
    47,275.48x = 866,414,885.43
  5. Step 5: Solve for x
    x = 866,414,885.43/47,275.48
  6. Step 6: Final answer
    x = 18,326.94

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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.