Home / 39,631.71-54,689.69-22,632.63

Finding the Fourth Proportional to 39,631.71, 54,689.69 and 22,632.63

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Solution

The fourth proportional to 39,631.71, 54,689.69 and 22,632.63 is: 31,231.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,631.71 : 54,689.69 = 22,632.63 : x
  2. Step 2: Convert to fraction form
    39,631.71/54,689.69 = 22,632.63/x
  3. Step 3: Cross multiply
    39,631.71x = 54,689.69 × 22,632.63
  4. Step 4: Simplify right side
    39,631.71x = 1,237,771,709.54
  5. Step 5: Solve for x
    x = 1,237,771,709.54/39,631.71
  6. Step 6: Final answer
    x = 31,231.85

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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.