Home / 49,634.16-74,478.60-21,931.44

Finding the Fourth Proportional to 49,634.16, 74,478.60 and 21,931.44

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Solution

The fourth proportional to 49,634.16, 74,478.60 and 21,931.44 is: 32,909.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,634.16 : 74,478.60 = 21,931.44 : x
  2. Step 2: Convert to fraction form
    49,634.16/74,478.60 = 21,931.44/x
  3. Step 3: Cross multiply
    49,634.16x = 74,478.60 × 21,931.44
  4. Step 4: Simplify right side
    49,634.16x = 1,633,422,947.18
  5. Step 5: Solve for x
    x = 1,633,422,947.18/49,634.16
  6. Step 6: Final answer
    x = 32,909.25

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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.