Home / 39,151.92-54,032.31-22,156.16

Finding the Fourth Proportional to 39,151.92, 54,032.31 and 22,156.16

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Solution

The fourth proportional to 39,151.92, 54,032.31 and 22,156.16 is: 30,577.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,151.92 : 54,032.31 = 22,156.16 : x
  2. Step 2: Convert to fraction form
    39,151.92/54,032.31 = 22,156.16/x
  3. Step 3: Cross multiply
    39,151.92x = 54,032.31 × 22,156.16
  4. Step 4: Simplify right side
    39,151.92x = 1,197,148,235.37
  5. Step 5: Solve for x
    x = 1,197,148,235.37/39,151.92
  6. Step 6: Final answer
    x = 30,577.00

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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.