Home / 51,565.34-71,163.08-28,911.66

Finding the Fourth Proportional to 51,565.34, 71,163.08 and 28,911.66

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Solution

The fourth proportional to 51,565.34, 71,163.08 and 28,911.66 is: 39,899.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,565.34 : 71,163.08 = 28,911.66 : x
  2. Step 2: Convert to fraction form
    51,565.34/71,163.08 = 28,911.66/x
  3. Step 3: Cross multiply
    51,565.34x = 71,163.08 × 28,911.66
  4. Step 4: Simplify right side
    51,565.34x = 2,057,442,628.95
  5. Step 5: Solve for x
    x = 2,057,442,628.95/51,565.34
  6. Step 6: Final answer
    x = 39,899.72

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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.