Home / 30,114.08-41,542.14-20,029.58

Finding the Fourth Proportional to 30,114.08, 41,542.14 and 20,029.58

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Solution

The fourth proportional to 30,114.08, 41,542.14 and 20,029.58 is: 27,630.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,114.08 : 41,542.14 = 20,029.58 : x
  2. Step 2: Convert to fraction form
    30,114.08/41,542.14 = 20,029.58/x
  3. Step 3: Cross multiply
    30,114.08x = 41,542.14 × 20,029.58
  4. Step 4: Simplify right side
    30,114.08x = 832,071,616.50
  5. Step 5: Solve for x
    x = 832,071,616.50/30,114.08
  6. Step 6: Final answer
    x = 27,630.65

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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.