Home / 38,899.22-58,352.45-30,143.93

Finding the Fourth Proportional to 38,899.22, 58,352.45 and 30,143.93

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Solution

The fourth proportional to 38,899.22, 58,352.45 and 30,143.93 is: 45,218.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,899.22 : 58,352.45 = 30,143.93 : x
  2. Step 2: Convert to fraction form
    38,899.22/58,352.45 = 30,143.93/x
  3. Step 3: Cross multiply
    38,899.22x = 58,352.45 × 30,143.93
  4. Step 4: Simplify right side
    38,899.22x = 1,758,971,725.65
  5. Step 5: Solve for x
    x = 1,758,971,725.65/38,899.22
  6. Step 6: Final answer
    x = 45,218.69

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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.