Home / 47,402.58-71,103.62-12,342.18

Finding the Fourth Proportional to 47,402.58, 71,103.62 and 12,342.18

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Solution

The fourth proportional to 47,402.58, 71,103.62 and 12,342.18 is: 18,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,402.58 : 71,103.62 = 12,342.18 : x
  2. Step 2: Convert to fraction form
    47,402.58/71,103.62 = 12,342.18/x
  3. Step 3: Cross multiply
    47,402.58x = 71,103.62 × 12,342.18
  4. Step 4: Simplify right side
    47,402.58x = 877,573,676.69
  5. Step 5: Solve for x
    x = 877,573,676.69/47,402.58
  6. Step 6: Final answer
    x = 18,513.20

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1.5x scale

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.