Home / 26,332.20-39,383.10-20,111.40

Finding the Fourth Proportional to 26,332.20, 39,383.10 and 20,111.40

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Solution

The fourth proportional to 26,332.20, 39,383.10 and 20,111.40 is: 30,079.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,332.20 : 39,383.10 = 20,111.40 : x
  2. Step 2: Convert to fraction form
    26,332.20/39,383.10 = 20,111.40/x
  3. Step 3: Cross multiply
    26,332.20x = 39,383.10 × 20,111.40
  4. Step 4: Simplify right side
    26,332.20x = 792,049,277.34
  5. Step 5: Solve for x
    x = 792,049,277.34/26,332.20
  6. Step 6: Final answer
    x = 30,079.12

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1.5x scale

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.