Home / 37,332.10-51,518.19-20,565.10

Finding the Fourth Proportional to 37,332.10, 51,518.19 and 20,565.10

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Solution

The fourth proportional to 37,332.10, 51,518.19 and 20,565.10 is: 28,379.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,332.10 : 51,518.19 = 20,565.10 : x
  2. Step 2: Convert to fraction form
    37,332.10/51,518.19 = 20,565.10/x
  3. Step 3: Cross multiply
    37,332.10x = 51,518.19 × 20,565.10
  4. Step 4: Simplify right side
    37,332.10x = 1,059,476,729.17
  5. Step 5: Solve for x
    x = 1,059,476,729.17/37,332.10
  6. Step 6: Final answer
    x = 28,379.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.