Home / 29,531.20-44,296.80-19,086.40

Finding the Fourth Proportional to 29,531.20, 44,296.80 and 19,086.40

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Solution

The fourth proportional to 29,531.20, 44,296.80 and 19,086.40 is: 28,629.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,531.20 : 44,296.80 = 19,086.40 : x
  2. Step 2: Convert to fraction form
    29,531.20/44,296.80 = 19,086.40/x
  3. Step 3: Cross multiply
    29,531.20x = 44,296.80 × 19,086.40
  4. Step 4: Simplify right side
    29,531.20x = 845,466,443.52
  5. Step 5: Solve for x
    x = 845,466,443.52/29,531.20
  6. Step 6: Final answer
    x = 28,629.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.