Home / 38,972.43-58,463.81-12,668.25

Finding the Fourth Proportional to 38,972.43, 58,463.81 and 12,668.25

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Solution

The fourth proportional to 38,972.43, 58,463.81 and 12,668.25 is: 19,004.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,972.43 : 58,463.81 = 12,668.25 : x
  2. Step 2: Convert to fraction form
    38,972.43/58,463.81 = 12,668.25/x
  3. Step 3: Cross multiply
    38,972.43x = 58,463.81 × 12,668.25
  4. Step 4: Simplify right side
    38,972.43x = 740,634,097.69
  5. Step 5: Solve for x
    x = 740,634,097.69/38,972.43
  6. Step 6: Final answer
    x = 19,004.05

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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.