Home / 39,984.04-60,078.12-30,215.44

Finding the Fourth Proportional to 39,984.04, 60,078.12 and 30,215.44

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Solution

The fourth proportional to 39,984.04, 60,078.12 and 30,215.44 is: 45,400.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,984.04 : 60,078.12 = 30,215.44 : x
  2. Step 2: Convert to fraction form
    39,984.04/60,078.12 = 30,215.44/x
  3. Step 3: Cross multiply
    39,984.04x = 60,078.12 × 30,215.44
  4. Step 4: Simplify right side
    39,984.04x = 1,815,286,830.17
  5. Step 5: Solve for x
    x = 1,815,286,830.17/39,984.04
  6. Step 6: Final answer
    x = 45,400.29

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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.