Home / 31,968.08-47,954.28-15,331.76

Finding the Fourth Proportional to 31,968.08, 47,954.28 and 15,331.76

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Solution

The fourth proportional to 31,968.08, 47,954.28 and 15,331.76 is: 22,998.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,968.08 : 47,954.28 = 15,331.76 : x
  2. Step 2: Convert to fraction form
    31,968.08/47,954.28 = 15,331.76/x
  3. Step 3: Cross multiply
    31,968.08x = 47,954.28 × 15,331.76
  4. Step 4: Simplify right side
    31,968.08x = 735,223,511.93
  5. Step 5: Solve for x
    x = 735,223,511.93/31,968.08
  6. Step 6: Final answer
    x = 22,998.68

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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.