Home / 51,308.38-70,805.56-28,952.38

Finding the Fourth Proportional to 51,308.38, 70,805.56 and 28,952.38

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Solution

The fourth proportional to 51,308.38, 70,805.56 and 28,952.38 is: 39,954.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,308.38 : 70,805.56 = 28,952.38 : x
  2. Step 2: Convert to fraction form
    51,308.38/70,805.56 = 28,952.38/x
  3. Step 3: Cross multiply
    51,308.38x = 70,805.56 × 28,952.38
  4. Step 4: Simplify right side
    51,308.38x = 2,049,989,125.21
  5. Step 5: Solve for x
    x = 2,049,989,125.21/51,308.38
  6. Step 6: Final answer
    x = 39,954.28

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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.