Home / 30,908.28-42,622.02-26,446.80

Finding the Fourth Proportional to 30,908.28, 42,622.02 and 26,446.80

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Solution

The fourth proportional to 30,908.28, 42,622.02 and 26,446.80 is: 36,469.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,908.28 : 42,622.02 = 26,446.80 : x
  2. Step 2: Convert to fraction form
    30,908.28/42,622.02 = 26,446.80/x
  3. Step 3: Cross multiply
    30,908.28x = 42,622.02 × 26,446.80
  4. Step 4: Simplify right side
    30,908.28x = 1,127,216,038.54
  5. Step 5: Solve for x
    x = 1,127,216,038.54/30,908.28
  6. Step 6: Final answer
    x = 36,469.71

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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.