Home / 53,535.17-80,271.62-20,257.80

Finding the Fourth Proportional to 53,535.17, 80,271.62 and 20,257.80

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Solution

The fourth proportional to 53,535.17, 80,271.62 and 20,257.80 is: 30,374.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,535.17 : 80,271.62 = 20,257.80 : x
  2. Step 2: Convert to fraction form
    53,535.17/80,271.62 = 20,257.80/x
  3. Step 3: Cross multiply
    53,535.17x = 80,271.62 × 20,257.80
  4. Step 4: Simplify right side
    53,535.17x = 1,626,126,423.64
  5. Step 5: Solve for x
    x = 1,626,126,423.64/53,535.17
  6. Step 6: Final answer
    x = 30,374.92

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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.