Home / 39,188.34-58,788-19,465.38

Finding the Fourth Proportional to 39,188.34, 58,788 and 19,465.38

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Solution

The fourth proportional to 39,188.34, 58,788 and 19,465.38 is: 29,200.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,188.34 : 58,788 = 19,465.38 : x
  2. Step 2: Convert to fraction form
    39,188.34/58,788 = 19,465.38/x
  3. Step 3: Cross multiply
    39,188.34x = 58,788 × 19,465.38
  4. Step 4: Simplify right side
    39,188.34x = 1,144,330,759.44
  5. Step 5: Solve for x
    x = 1,144,330,759.44/39,188.34
  6. Step 6: Final answer
    x = 29,200.80

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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.