Home / 47,308.67-70,968.49-15,721.55

Finding the Fourth Proportional to 47,308.67, 70,968.49 and 15,721.55

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Solution

The fourth proportional to 47,308.67, 70,968.49 and 15,721.55 is: 23,584.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,308.67 : 70,968.49 = 15,721.55 : x
  2. Step 2: Convert to fraction form
    47,308.67/70,968.49 = 15,721.55/x
  3. Step 3: Cross multiply
    47,308.67x = 70,968.49 × 15,721.55
  4. Step 4: Simplify right side
    47,308.67x = 1,115,734,269.81
  5. Step 5: Solve for x
    x = 1,115,734,269.81/47,308.67
  6. Step 6: Final answer
    x = 23,584.14

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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.