Home / 47,267.76-70,912.20-17,685.84

Finding the Fourth Proportional to 47,267.76, 70,912.20 and 17,685.84

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Solution

The fourth proportional to 47,267.76, 70,912.20 and 17,685.84 is: 26,532.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,267.76 : 70,912.20 = 17,685.84 : x
  2. Step 2: Convert to fraction form
    47,267.76/70,912.20 = 17,685.84/x
  3. Step 3: Cross multiply
    47,267.76x = 70,912.20 × 17,685.84
  4. Step 4: Simplify right side
    47,267.76x = 1,254,141,823.25
  5. Step 5: Solve for x
    x = 1,254,141,823.25/47,267.76
  6. Step 6: Final answer
    x = 26,532.71

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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.