Home / 36,681.76-55,026.29-13,310.02

Finding the Fourth Proportional to 36,681.76, 55,026.29 and 13,310.02

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Solution

The fourth proportional to 36,681.76, 55,026.29 and 13,310.02 is: 19,966.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,681.76 : 55,026.29 = 13,310.02 : x
  2. Step 2: Convert to fraction form
    36,681.76/55,026.29 = 13,310.02/x
  3. Step 3: Cross multiply
    36,681.76x = 55,026.29 × 13,310.02
  4. Step 4: Simplify right side
    36,681.76x = 732,401,020.43
  5. Step 5: Solve for x
    x = 732,401,020.43/36,681.76
  6. Step 6: Final answer
    x = 19,966.35

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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.