Home / 48,856.49-73,287.63-18,870.95

Finding the Fourth Proportional to 48,856.49, 73,287.63 and 18,870.95

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Solution

The fourth proportional to 48,856.49, 73,287.63 and 18,870.95 is: 28,307.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,856.49 : 73,287.63 = 18,870.95 : x
  2. Step 2: Convert to fraction form
    48,856.49/73,287.63 = 18,870.95/x
  3. Step 3: Cross multiply
    48,856.49x = 73,287.63 × 18,870.95
  4. Step 4: Simplify right side
    48,856.49x = 1,383,007,248.53
  5. Step 5: Solve for x
    x = 1,383,007,248.53/48,856.49
  6. Step 6: Final answer
    x = 28,307.55

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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.