Home / 53,648.72-80,473.18-18,588.41

Finding the Fourth Proportional to 53,648.72, 80,473.18 and 18,588.41

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Solution

The fourth proportional to 53,648.72, 80,473.18 and 18,588.41 is: 27,882.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,648.72 : 80,473.18 = 18,588.41 : x
  2. Step 2: Convert to fraction form
    53,648.72/80,473.18 = 18,588.41/x
  3. Step 3: Cross multiply
    53,648.72x = 80,473.18 × 18,588.41
  4. Step 4: Simplify right side
    53,648.72x = 1,495,868,463.84
  5. Step 5: Solve for x
    x = 1,495,868,463.84/53,648.72
  6. Step 6: Final answer
    x = 27,882.65

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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.