Home / 48,660.12-72,990.18-17,478.36

Finding the Fourth Proportional to 48,660.12, 72,990.18 and 17,478.36

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Solution

The fourth proportional to 48,660.12, 72,990.18 and 17,478.36 is: 26,217.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,660.12 : 72,990.18 = 17,478.36 : x
  2. Step 2: Convert to fraction form
    48,660.12/72,990.18 = 17,478.36/x
  3. Step 3: Cross multiply
    48,660.12x = 72,990.18 × 17,478.36
  4. Step 4: Simplify right side
    48,660.12x = 1,275,748,642.50
  5. Step 5: Solve for x
    x = 1,275,748,642.50/48,660.12
  6. Step 6: Final answer
    x = 26,217.54

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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.