Home / 48,148.40-72,215.30-12,610.46

Finding the Fourth Proportional to 48,148.40, 72,215.30 and 12,610.46

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Solution

The fourth proportional to 48,148.40, 72,215.30 and 12,610.46 is: 18,913.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,148.40 : 72,215.30 = 12,610.46 : x
  2. Step 2: Convert to fraction form
    48,148.40/72,215.30 = 12,610.46/x
  3. Step 3: Cross multiply
    48,148.40x = 72,215.30 × 12,610.46
  4. Step 4: Simplify right side
    48,148.40x = 910,668,152.04
  5. Step 5: Solve for x
    x = 910,668,152.04/48,148.40
  6. Step 6: Final answer
    x = 18,913.78

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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.