Home / 36,820.80-55,233.12-10,529.40

Finding the Fourth Proportional to 36,820.80, 55,233.12 and 10,529.40

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Solution

The fourth proportional to 36,820.80, 55,233.12 and 10,529.40 is: 15,794.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,820.80 : 55,233.12 = 10,529.40 : x
  2. Step 2: Convert to fraction form
    36,820.80/55,233.12 = 10,529.40/x
  3. Step 3: Cross multiply
    36,820.80x = 55,233.12 × 10,529.40
  4. Step 4: Simplify right side
    36,820.80x = 581,571,613.73
  5. Step 5: Solve for x
    x = 581,571,613.73/36,820.80
  6. Step 6: Final answer
    x = 15,794.65

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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.