Home / 53,586.78-80,379.34-13,060.76

Finding the Fourth Proportional to 53,586.78, 80,379.34 and 13,060.76

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Solution

The fourth proportional to 53,586.78, 80,379.34 and 13,060.76 is: 19,590.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,586.78 : 80,379.34 = 13,060.76 : x
  2. Step 2: Convert to fraction form
    53,586.78/80,379.34 = 13,060.76/x
  3. Step 3: Cross multiply
    53,586.78x = 80,379.34 × 13,060.76
  4. Step 4: Simplify right side
    53,586.78x = 1,049,815,268.70
  5. Step 5: Solve for x
    x = 1,049,815,268.70/53,586.78
  6. Step 6: Final answer
    x = 19,590.94

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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.