Home / 40,013.36-60,021-13,717.92

Finding the Fourth Proportional to 40,013.36, 60,021 and 13,717.92

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Solution

The fourth proportional to 40,013.36, 60,021 and 13,717.92 is: 20,577.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,013.36 : 60,021 = 13,717.92 : x
  2. Step 2: Convert to fraction form
    40,013.36/60,021 = 13,717.92/x
  3. Step 3: Cross multiply
    40,013.36x = 60,021 × 13,717.92
  4. Step 4: Simplify right side
    40,013.36x = 823,363,276.32
  5. Step 5: Solve for x
    x = 823,363,276.32/40,013.36
  6. Step 6: Final answer
    x = 20,577.21

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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.