Home / 51,047.56-70,445.58-28,691.56

Finding the Fourth Proportional to 51,047.56, 70,445.58 and 28,691.56

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Solution

The fourth proportional to 51,047.56, 70,445.58 and 28,691.56 is: 39,594.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,047.56 : 70,445.58 = 28,691.56 : x
  2. Step 2: Convert to fraction form
    51,047.56/70,445.58 = 28,691.56/x
  3. Step 3: Cross multiply
    51,047.56x = 70,445.58 × 28,691.56
  4. Step 4: Simplify right side
    51,047.56x = 2,021,193,585.30
  5. Step 5: Solve for x
    x = 2,021,193,585.30/51,047.56
  6. Step 6: Final answer
    x = 39,594.32

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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.