Home / 53,251.20-79,876.80-23,637.60

Finding the Fourth Proportional to 53,251.20, 79,876.80 and 23,637.60

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Solution

The fourth proportional to 53,251.20, 79,876.80 and 23,637.60 is: 35,456.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,251.20 : 79,876.80 = 23,637.60 : x
  2. Step 2: Convert to fraction form
    53,251.20/79,876.80 = 23,637.60/x
  3. Step 3: Cross multiply
    53,251.20x = 79,876.80 × 23,637.60
  4. Step 4: Simplify right side
    53,251.20x = 1,888,095,847.68
  5. Step 5: Solve for x
    x = 1,888,095,847.68/53,251.20
  6. Step 6: Final answer
    x = 35,456.40

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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.