Home / 30,614.46-42,247.35-17,185.74

Finding the Fourth Proportional to 30,614.46, 42,247.35 and 17,185.74

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Solution

The fourth proportional to 30,614.46, 42,247.35 and 17,185.74 is: 23,715.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,614.46 : 42,247.35 = 17,185.74 : x
  2. Step 2: Convert to fraction form
    30,614.46/42,247.35 = 17,185.74/x
  3. Step 3: Cross multiply
    30,614.46x = 42,247.35 × 17,185.74
  4. Step 4: Simplify right side
    30,614.46x = 726,051,972.79
  5. Step 5: Solve for x
    x = 726,051,972.79/30,614.46
  6. Step 6: Final answer
    x = 23,715.98

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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.