Home / 52,851.04-79,288.76-17,789.84

Finding the Fourth Proportional to 52,851.04, 79,288.76 and 17,789.84

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Solution

The fourth proportional to 52,851.04, 79,288.76 and 17,789.84 is: 26,688.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,851.04 : 79,288.76 = 17,789.84 : x
  2. Step 2: Convert to fraction form
    52,851.04/79,288.76 = 17,789.84/x
  3. Step 3: Cross multiply
    52,851.04x = 79,288.76 × 17,789.84
  4. Step 4: Simplify right side
    52,851.04x = 1,410,534,354.20
  5. Step 5: Solve for x
    x = 1,410,534,354.20/52,851.04
  6. Step 6: Final answer
    x = 26,688.87

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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.