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Finding the Fourth Proportional to 39,340, 58,967.07 and 19,363.24

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Solution

The fourth proportional to 39,340, 58,967.07 and 19,363.24 is: 29,023.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,340 : 58,967.07 = 19,363.24 : x
  2. Step 2: Convert to fraction form
    39,340/58,967.07 = 19,363.24/x
  3. Step 3: Cross multiply
    39,340x = 58,967.07 × 19,363.24
  4. Step 4: Simplify right side
    39,340x = 1,141,793,528.51
  5. Step 5: Solve for x
    x = 1,141,793,528.51/39,340
  6. Step 6: Final answer
    x = 29,023.73

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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.