Home / 39,214.04-54,078.48-30,247.34

Finding the Fourth Proportional to 39,214.04, 54,078.48 and 30,247.34

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Solution

The fourth proportional to 39,214.04, 54,078.48 and 30,247.34 is: 41,712.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,214.04 : 54,078.48 = 30,247.34 : x
  2. Step 2: Convert to fraction form
    39,214.04/54,078.48 = 30,247.34/x
  3. Step 3: Cross multiply
    39,214.04x = 54,078.48 × 30,247.34
  4. Step 4: Simplify right side
    39,214.04x = 1,635,730,171.24
  5. Step 5: Solve for x
    x = 1,635,730,171.24/39,214.04
  6. Step 6: Final answer
    x = 41,712.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.