Home / 39,019.18-58,534.89-12,717.79

Finding the Fourth Proportional to 39,019.18, 58,534.89 and 12,717.79

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Solution

The fourth proportional to 39,019.18, 58,534.89 and 12,717.79 is: 19,078.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,019.18 : 58,534.89 = 12,717.79 : x
  2. Step 2: Convert to fraction form
    39,019.18/58,534.89 = 12,717.79/x
  3. Step 3: Cross multiply
    39,019.18x = 58,534.89 × 12,717.79
  4. Step 4: Simplify right side
    39,019.18x = 744,434,438.69
  5. Step 5: Solve for x
    x = 744,434,438.69/39,019.18
  6. Step 6: Final answer
    x = 19,078.68

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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.