Home / 51,648.17-71,275.34-28,677.38

Finding the Fourth Proportional to 51,648.17, 71,275.34 and 28,677.38

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Solution

The fourth proportional to 51,648.17, 71,275.34 and 28,677.38 is: 39,575.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,648.17 : 71,275.34 = 28,677.38 : x
  2. Step 2: Convert to fraction form
    51,648.17/71,275.34 = 28,677.38/x
  3. Step 3: Cross multiply
    51,648.17x = 71,275.34 × 28,677.38
  4. Step 4: Simplify right side
    51,648.17x = 2,043,989,725.13
  5. Step 5: Solve for x
    x = 2,043,989,725.13/51,648.17
  6. Step 6: Final answer
    x = 39,575.26

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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.