Home / 30,116.92-45,167.51-9,051.33

Finding the Fourth Proportional to 30,116.92, 45,167.51 and 9,051.33

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Solution

The fourth proportional to 30,116.92, 45,167.51 and 9,051.33 is: 13,574.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,116.92 : 45,167.51 = 9,051.33 : x
  2. Step 2: Convert to fraction form
    30,116.92/45,167.51 = 9,051.33/x
  3. Step 3: Cross multiply
    30,116.92x = 45,167.51 × 9,051.33
  4. Step 4: Simplify right side
    30,116.92x = 408,825,942.29
  5. Step 5: Solve for x
    x = 408,825,942.29/30,116.92
  6. Step 6: Final answer
    x = 13,574.63

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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.