Home / 39,883.04-59,822.39-12,178.88

Finding the Fourth Proportional to 39,883.04, 59,822.39 and 12,178.88

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Solution

The fourth proportional to 39,883.04, 59,822.39 and 12,178.88 is: 18,267.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,883.04 : 59,822.39 = 12,178.88 : x
  2. Step 2: Convert to fraction form
    39,883.04/59,822.39 = 12,178.88/x
  3. Step 3: Cross multiply
    39,883.04x = 59,822.39 × 12,178.88
  4. Step 4: Simplify right side
    39,883.04x = 728,569,440.46
  5. Step 5: Solve for x
    x = 728,569,440.46/39,883.04
  6. Step 6: Final answer
    x = 18,267.65

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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.