Home / 39,653.73-54,707.95-22,645.71

Finding the Fourth Proportional to 39,653.73, 54,707.95 and 22,645.71

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Solution

The fourth proportional to 39,653.73, 54,707.95 and 22,645.71 is: 31,242.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,653.73 : 54,707.95 = 22,645.71 : x
  2. Step 2: Convert to fraction form
    39,653.73/54,707.95 = 22,645.71/x
  3. Step 3: Cross multiply
    39,653.73x = 54,707.95 × 22,645.71
  4. Step 4: Simplify right side
    39,653.73x = 1,238,900,370.39
  5. Step 5: Solve for x
    x = 1,238,900,370.39/39,653.73
  6. Step 6: Final answer
    x = 31,242.97

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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.