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Finding the Fourth Proportional to 74,380.46, 111,570.46 and 26,995.49

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Solution

The fourth proportional to 74,380.46, 111,570.46 and 26,995.49 is: 40,493.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,380.46 : 111,570.46 = 26,995.49 : x
  2. Step 2: Convert to fraction form
    74,380.46/111,570.46 = 26,995.49/x
  3. Step 3: Cross multiply
    74,380.46x = 111,570.46 × 26,995.49
  4. Step 4: Simplify right side
    74,380.46x = 3,011,899,809.71
  5. Step 5: Solve for x
    x = 3,011,899,809.71/74,380.46
  6. Step 6: Final answer
    x = 40,493.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.