Home / 51,567.72-71,159.76-30,344.10

Finding the Fourth Proportional to 51,567.72, 71,159.76 and 30,344.10

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Solution

The fourth proportional to 51,567.72, 71,159.76 and 30,344.10 is: 41,872.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,567.72 : 71,159.76 = 30,344.10 : x
  2. Step 2: Convert to fraction form
    51,567.72/71,159.76 = 30,344.10/x
  3. Step 3: Cross multiply
    51,567.72x = 71,159.76 × 30,344.10
  4. Step 4: Simplify right side
    51,567.72x = 2,159,278,873.42
  5. Step 5: Solve for x
    x = 2,159,278,873.42/51,567.72
  6. Step 6: Final answer
    x = 41,872.68

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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.