Home / 30,228.61-41,720.88-22,610.11

Finding the Fourth Proportional to 30,228.61, 41,720.88 and 22,610.11

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Solution

The fourth proportional to 30,228.61, 41,720.88 and 22,610.11 is: 31,205.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,228.61 : 41,720.88 = 22,610.11 : x
  2. Step 2: Convert to fraction form
    30,228.61/41,720.88 = 22,610.11/x
  3. Step 3: Cross multiply
    30,228.61x = 41,720.88 × 22,610.11
  4. Step 4: Simplify right side
    30,228.61x = 943,313,686.10
  5. Step 5: Solve for x
    x = 943,313,686.10/30,228.61
  6. Step 6: Final answer
    x = 31,205.99

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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.