Home / 58,081.01-80,176.26-39,243.65

Finding the Fourth Proportional to 58,081.01, 80,176.26 and 39,243.65

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Solution

The fourth proportional to 58,081.01, 80,176.26 and 39,243.65 is: 54,172.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,081.01 : 80,176.26 = 39,243.65 : x
  2. Step 2: Convert to fraction form
    58,081.01/80,176.26 = 39,243.65/x
  3. Step 3: Cross multiply
    58,081.01x = 80,176.26 × 39,243.65
  4. Step 4: Simplify right side
    58,081.01x = 3,146,409,085.75
  5. Step 5: Solve for x
    x = 3,146,409,085.75/58,081.01
  6. Step 6: Final answer
    x = 54,172.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.