Home / 47,881.49-71,827.13-18,324.18

Finding the Fourth Proportional to 47,881.49, 71,827.13 and 18,324.18

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Solution

The fourth proportional to 47,881.49, 71,827.13 and 18,324.18 is: 27,488.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,881.49 : 71,827.13 = 18,324.18 : x
  2. Step 2: Convert to fraction form
    47,881.49/71,827.13 = 18,324.18/x
  3. Step 3: Cross multiply
    47,881.49x = 71,827.13 × 18,324.18
  4. Step 4: Simplify right side
    47,881.49x = 1,316,173,304.81
  5. Step 5: Solve for x
    x = 1,316,173,304.81/47,881.49
  6. Step 6: Final answer
    x = 27,488.15

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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.