Home / 30,057.27-41,479.47-17,312.74

Finding the Fourth Proportional to 30,057.27, 41,479.47 and 17,312.74

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Solution

The fourth proportional to 30,057.27, 41,479.47 and 17,312.74 is: 23,891.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,057.27 : 41,479.47 = 17,312.74 : x
  2. Step 2: Convert to fraction form
    30,057.27/41,479.47 = 17,312.74/x
  3. Step 3: Cross multiply
    30,057.27x = 41,479.47 × 17,312.74
  4. Step 4: Simplify right side
    30,057.27x = 718,123,178.98
  5. Step 5: Solve for x
    x = 718,123,178.98/30,057.27
  6. Step 6: Final answer
    x = 23,891.83

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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.