Home / 36,497.12-54,646.80-18,930.16

Finding the Fourth Proportional to 36,497.12, 54,646.80 and 18,930.16

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Solution

The fourth proportional to 36,497.12, 54,646.80 and 18,930.16 is: 28,343.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,497.12 : 54,646.80 = 18,930.16 : x
  2. Step 2: Convert to fraction form
    36,497.12/54,646.80 = 18,930.16/x
  3. Step 3: Cross multiply
    36,497.12x = 54,646.80 × 18,930.16
  4. Step 4: Simplify right side
    36,497.12x = 1,034,472,667.49
  5. Step 5: Solve for x
    x = 1,034,472,667.49/36,497.12
  6. Step 6: Final answer
    x = 28,343.95

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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.