Home / 48,929.40-73,307.70-30,439.80

Finding the Fourth Proportional to 48,929.40, 73,307.70 and 30,439.80

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Solution

The fourth proportional to 48,929.40, 73,307.70 and 30,439.80 is: 45,605.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,929.40 : 73,307.70 = 30,439.80 : x
  2. Step 2: Convert to fraction form
    48,929.40/73,307.70 = 30,439.80/x
  3. Step 3: Cross multiply
    48,929.40x = 73,307.70 × 30,439.80
  4. Step 4: Simplify right side
    48,929.40x = 2,231,471,726.46
  5. Step 5: Solve for x
    x = 2,231,471,726.46/48,929.40
  6. Step 6: Final answer
    x = 45,605.95

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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.