Home / 33,157.53-45,699.73-28,881.95

Finding the Fourth Proportional to 33,157.53, 45,699.73 and 28,881.95

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Solution

The fourth proportional to 33,157.53, 45,699.73 and 28,881.95 is: 39,806.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,157.53 : 45,699.73 = 28,881.95 : x
  2. Step 2: Convert to fraction form
    33,157.53/45,699.73 = 28,881.95/x
  3. Step 3: Cross multiply
    33,157.53x = 45,699.73 × 28,881.95
  4. Step 4: Simplify right side
    33,157.53x = 1,319,897,016.17
  5. Step 5: Solve for x
    x = 1,319,897,016.17/33,157.53
  6. Step 6: Final answer
    x = 39,806.86

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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.