Home / 53,718.27-80,565.26-20,426.46

Finding the Fourth Proportional to 53,718.27, 80,565.26 and 20,426.46

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Solution

The fourth proportional to 53,718.27, 80,565.26 and 20,426.46 is: 30,635.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,718.27 : 80,565.26 = 20,426.46 : x
  2. Step 2: Convert to fraction form
    53,718.27/80,565.26 = 20,426.46/x
  3. Step 3: Cross multiply
    53,718.27x = 80,565.26 × 20,426.46
  4. Step 4: Simplify right side
    53,718.27x = 1,645,662,958.65
  5. Step 5: Solve for x
    x = 1,645,662,958.65/53,718.27
  6. Step 6: Final answer
    x = 30,635.07

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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.