Home / 38,705.76-58,036.68-35,403.48

Finding the Fourth Proportional to 38,705.76, 58,036.68 and 35,403.48

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Solution

The fourth proportional to 38,705.76, 58,036.68 and 35,403.48 is: 53,085.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,705.76 : 58,036.68 = 35,403.48 : x
  2. Step 2: Convert to fraction form
    38,705.76/58,036.68 = 35,403.48/x
  3. Step 3: Cross multiply
    38,705.76x = 58,036.68 × 35,403.48
  4. Step 4: Simplify right side
    38,705.76x = 2,054,700,439.65
  5. Step 5: Solve for x
    x = 2,054,700,439.65/38,705.76
  6. Step 6: Final answer
    x = 53,085.13

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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.