Home / 30,506.45-42,179.23-26,718.75

Finding the Fourth Proportional to 30,506.45, 42,179.23 and 26,718.75

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Solution

The fourth proportional to 30,506.45, 42,179.23 and 26,718.75 is: 36,942.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,506.45 : 42,179.23 = 26,718.75 : x
  2. Step 2: Convert to fraction form
    30,506.45/42,179.23 = 26,718.75/x
  3. Step 3: Cross multiply
    30,506.45x = 42,179.23 × 26,718.75
  4. Step 4: Simplify right side
    30,506.45x = 1,126,976,301.56
  5. Step 5: Solve for x
    x = 1,126,976,301.56/30,506.45
  6. Step 6: Final answer
    x = 36,942.23

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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.