Home / 53,011.72-79,517.50-13,568.84

Finding the Fourth Proportional to 53,011.72, 79,517.50 and 13,568.84

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Solution

The fourth proportional to 53,011.72, 79,517.50 and 13,568.84 is: 20,353.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,011.72 : 79,517.50 = 13,568.84 : x
  2. Step 2: Convert to fraction form
    53,011.72/79,517.50 = 13,568.84/x
  3. Step 3: Cross multiply
    53,011.72x = 79,517.50 × 13,568.84
  4. Step 4: Simplify right side
    53,011.72x = 1,078,960,234.70
  5. Step 5: Solve for x
    x = 1,078,960,234.70/53,011.72
  6. Step 6: Final answer
    x = 20,353.24

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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.