Home / 29,631.68-40,858.08-22,166.72

Finding the Fourth Proportional to 29,631.68, 40,858.08 and 22,166.72

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Solution

The fourth proportional to 29,631.68, 40,858.08 and 22,166.72 is: 30,564.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,631.68 : 40,858.08 = 22,166.72 : x
  2. Step 2: Convert to fraction form
    29,631.68/40,858.08 = 22,166.72/x
  3. Step 3: Cross multiply
    29,631.68x = 40,858.08 × 22,166.72
  4. Step 4: Simplify right side
    29,631.68x = 905,689,619.10
  5. Step 5: Solve for x
    x = 905,689,619.10/29,631.68
  6. Step 6: Final answer
    x = 30,564.91

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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.