Home / 36,677.80-55,017.11-11,717.65

Finding the Fourth Proportional to 36,677.80, 55,017.11 and 11,717.65

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Solution

The fourth proportional to 36,677.80, 55,017.11 and 11,717.65 is: 17,576.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,677.80 : 55,017.11 = 11,717.65 : x
  2. Step 2: Convert to fraction form
    36,677.80/55,017.11 = 11,717.65/x
  3. Step 3: Cross multiply
    36,677.80x = 55,017.11 × 11,717.65
  4. Step 4: Simplify right side
    36,677.80x = 644,671,180.40
  5. Step 5: Solve for x
    x = 644,671,180.40/36,677.80
  6. Step 6: Final answer
    x = 17,576.60

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1.5x scale

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.