Home / 20,391.07-30,587.19-5,600.11

Finding the Fourth Proportional to 20,391.07, 30,587.19 and 5,600.11

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Solution

The fourth proportional to 20,391.07, 30,587.19 and 5,600.11 is: 8,400.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,391.07 : 30,587.19 = 5,600.11 : x
  2. Step 2: Convert to fraction form
    20,391.07/30,587.19 = 5,600.11/x
  3. Step 3: Cross multiply
    20,391.07x = 30,587.19 × 5,600.11
  4. Step 4: Simplify right side
    20,391.07x = 171,291,628.59
  5. Step 5: Solve for x
    x = 171,291,628.59/20,391.07
  6. Step 6: Final answer
    x = 8,400.33

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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.