Home / 53,525.57-80,304.55-20,255.83

Finding the Fourth Proportional to 53,525.57, 80,304.55 and 20,255.83

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Solution

The fourth proportional to 53,525.57, 80,304.55 and 20,255.83 is: 30,389.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,525.57 : 80,304.55 = 20,255.83 : x
  2. Step 2: Convert to fraction form
    53,525.57/80,304.55 = 20,255.83/x
  3. Step 3: Cross multiply
    53,525.57x = 80,304.55 × 20,255.83
  4. Step 4: Simplify right side
    53,525.57x = 1,626,635,061.63
  5. Step 5: Solve for x
    x = 1,626,635,061.63/53,525.57
  6. Step 6: Final answer
    x = 30,389.87

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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.