Home / 39,321.17-58,923.41-28,881.89

Finding the Fourth Proportional to 39,321.17, 58,923.41 and 28,881.89

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Solution

The fourth proportional to 39,321.17, 58,923.41 and 28,881.89 is: 43,279.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,321.17 : 58,923.41 = 28,881.89 : x
  2. Step 2: Convert to fraction form
    39,321.17/58,923.41 = 28,881.89/x
  3. Step 3: Cross multiply
    39,321.17x = 58,923.41 × 28,881.89
  4. Step 4: Simplify right side
    39,321.17x = 1,701,819,446.04
  5. Step 5: Solve for x
    x = 1,701,819,446.04/39,321.17
  6. Step 6: Final answer
    x = 43,279.98

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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.