Home / 30,179.40-41,622.45-22,642.46

Finding the Fourth Proportional to 30,179.40, 41,622.45 and 22,642.46

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Solution

The fourth proportional to 30,179.40, 41,622.45 and 22,642.46 is: 31,227.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,179.40 : 41,622.45 = 22,642.46 : x
  2. Step 2: Convert to fraction form
    30,179.40/41,622.45 = 22,642.46/x
  3. Step 3: Cross multiply
    30,179.40x = 41,622.45 × 22,642.46
  4. Step 4: Simplify right side
    30,179.40x = 942,434,451.11
  5. Step 5: Solve for x
    x = 942,434,451.11/30,179.40
  6. Step 6: Final answer
    x = 31,227.74

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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.