Home / 39,084.59-58,629.60-15,711

Finding the Fourth Proportional to 39,084.59, 58,629.60 and 15,711

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Solution

The fourth proportional to 39,084.59, 58,629.60 and 15,711 is: 23,567.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,084.59 : 58,629.60 = 15,711 : x
  2. Step 2: Convert to fraction form
    39,084.59/58,629.60 = 15,711/x
  3. Step 3: Cross multiply
    39,084.59x = 58,629.60 × 15,711
  4. Step 4: Simplify right side
    39,084.59x = 921,129,645.60
  5. Step 5: Solve for x
    x = 921,129,645.60/39,084.59
  6. Step 6: Final answer
    x = 23,567.59

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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.