Home / 34,162.60-47,137.22-20,740.92

Finding the Fourth Proportional to 34,162.60, 47,137.22 and 20,740.92

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Solution

The fourth proportional to 34,162.60, 47,137.22 and 20,740.92 is: 28,618.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,162.60 : 47,137.22 = 20,740.92 : x
  2. Step 2: Convert to fraction form
    34,162.60/47,137.22 = 20,740.92/x
  3. Step 3: Cross multiply
    34,162.60x = 47,137.22 × 20,740.92
  4. Step 4: Simplify right side
    34,162.60x = 977,669,309.04
  5. Step 5: Solve for x
    x = 977,669,309.04/34,162.60
  6. Step 6: Final answer
    x = 28,618.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.