Home / 53,029.38-79,543.82-13,586.42

Finding the Fourth Proportional to 53,029.38, 79,543.82 and 13,586.42

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Solution

The fourth proportional to 53,029.38, 79,543.82 and 13,586.42 is: 20,379.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,029.38 : 79,543.82 = 13,586.42 : x
  2. Step 2: Convert to fraction form
    53,029.38/79,543.82 = 13,586.42/x
  3. Step 3: Cross multiply
    53,029.38x = 79,543.82 × 13,586.42
  4. Step 4: Simplify right side
    53,029.38x = 1,080,715,746.92
  5. Step 5: Solve for x
    x = 1,080,715,746.92/53,029.38
  6. Step 6: Final answer
    x = 20,379.57

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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.