Home / 30,906.28-42,619.26-26,444.80

Finding the Fourth Proportional to 30,906.28, 42,619.26 and 26,444.80

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Solution

The fourth proportional to 30,906.28, 42,619.26 and 26,444.80 is: 36,466.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,906.28 : 42,619.26 = 26,444.80 : x
  2. Step 2: Convert to fraction form
    30,906.28/42,619.26 = 26,444.80/x
  3. Step 3: Cross multiply
    30,906.28x = 42,619.26 × 26,444.80
  4. Step 4: Simplify right side
    30,906.28x = 1,127,057,806.85
  5. Step 5: Solve for x
    x = 1,127,057,806.85/30,906.28
  6. Step 6: Final answer
    x = 36,466.95

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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.