Home / 38,693.90-58,032.62-12,391.58

Finding the Fourth Proportional to 38,693.90, 58,032.62 and 12,391.58

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Solution

The fourth proportional to 38,693.90, 58,032.62 and 12,391.58 is: 18,584.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,693.90 : 58,032.62 = 12,391.58 : x
  2. Step 2: Convert to fraction form
    38,693.90/58,032.62 = 12,391.58/x
  3. Step 3: Cross multiply
    38,693.90x = 58,032.62 × 12,391.58
  4. Step 4: Simplify right side
    38,693.90x = 719,115,853.34
  5. Step 5: Solve for x
    x = 719,115,853.34/38,693.90
  6. Step 6: Final answer
    x = 18,584.73

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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.