Home / 51,326.71-70,829.42-28,665.04

Finding the Fourth Proportional to 51,326.71, 70,829.42 and 28,665.04

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Solution

The fourth proportional to 51,326.71, 70,829.42 and 28,665.04 is: 39,556.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,326.71 : 70,829.42 = 28,665.04 : x
  2. Step 2: Convert to fraction form
    51,326.71/70,829.42 = 28,665.04/x
  3. Step 3: Cross multiply
    51,326.71x = 70,829.42 × 28,665.04
  4. Step 4: Simplify right side
    51,326.71x = 2,030,327,711.38
  5. Step 5: Solve for x
    x = 2,030,327,711.38/51,326.71
  6. Step 6: Final answer
    x = 39,556.94

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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.