Home / 39,178.86-58,690.50-19,397.04

Finding the Fourth Proportional to 39,178.86, 58,690.50 and 19,397.04

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Solution

The fourth proportional to 39,178.86, 58,690.50 and 19,397.04 is: 29,057.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,178.86 : 58,690.50 = 19,397.04 : x
  2. Step 2: Convert to fraction form
    39,178.86/58,690.50 = 19,397.04/x
  3. Step 3: Cross multiply
    39,178.86x = 58,690.50 × 19,397.04
  4. Step 4: Simplify right side
    39,178.86x = 1,138,421,976.12
  5. Step 5: Solve for x
    x = 1,138,421,976.12/39,178.86
  6. Step 6: Final answer
    x = 29,057.05

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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.