Home / 51,193.44-70,644-28,531.68

Finding the Fourth Proportional to 51,193.44, 70,644 and 28,531.68

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Solution

The fourth proportional to 51,193.44, 70,644 and 28,531.68 is: 39,372.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,193.44 : 70,644 = 28,531.68 : x
  2. Step 2: Convert to fraction form
    51,193.44/70,644 = 28,531.68/x
  3. Step 3: Cross multiply
    51,193.44x = 70,644 × 28,531.68
  4. Step 4: Simplify right side
    51,193.44x = 2,015,592,001.92
  5. Step 5: Solve for x
    x = 2,015,592,001.92/51,193.44
  6. Step 6: Final answer
    x = 39,372.08

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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.