Home / 39,153.92-54,035.07-22,158.16

Finding the Fourth Proportional to 39,153.92, 54,035.07 and 22,158.16

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Solution

The fourth proportional to 39,153.92, 54,035.07 and 22,158.16 is: 30,579.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,153.92 : 54,035.07 = 22,158.16 : x
  2. Step 2: Convert to fraction form
    39,153.92/54,035.07 = 22,158.16/x
  3. Step 3: Cross multiply
    39,153.92x = 54,035.07 × 22,158.16
  4. Step 4: Simplify right side
    39,153.92x = 1,197,317,726.67
  5. Step 5: Solve for x
    x = 1,197,317,726.67/39,153.92
  6. Step 6: Final answer
    x = 30,579.77

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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.