Home / 34,287.84-51,447.78-12,117.96

Finding the Fourth Proportional to 34,287.84, 51,447.78 and 12,117.96

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Solution

The fourth proportional to 34,287.84, 51,447.78 and 12,117.96 is: 18,182.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,287.84 : 51,447.78 = 12,117.96 : x
  2. Step 2: Convert to fraction form
    34,287.84/51,447.78 = 12,117.96/x
  3. Step 3: Cross multiply
    34,287.84x = 51,447.78 × 12,117.96
  4. Step 4: Simplify right side
    34,287.84x = 623,442,140.13
  5. Step 5: Solve for x
    x = 623,442,140.13/34,287.84
  6. Step 6: Final answer
    x = 18,182.60

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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.