Home / 36,729.12-55,019.76-16,980.48

Finding the Fourth Proportional to 36,729.12, 55,019.76 and 16,980.48

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Solution

The fourth proportional to 36,729.12, 55,019.76 and 16,980.48 is: 25,436.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,729.12 : 55,019.76 = 16,980.48 : x
  2. Step 2: Convert to fraction form
    36,729.12/55,019.76 = 16,980.48/x
  3. Step 3: Cross multiply
    36,729.12x = 55,019.76 × 16,980.48
  4. Step 4: Simplify right side
    36,729.12x = 934,261,934.28
  5. Step 5: Solve for x
    x = 934,261,934.28/36,729.12
  6. Step 6: Final answer
    x = 25,436.55

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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.