Home / 39,143.52-54,018.04-22,376.88

Finding the Fourth Proportional to 39,143.52, 54,018.04 and 22,376.88

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Solution

The fourth proportional to 39,143.52, 54,018.04 and 22,376.88 is: 30,880.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,143.52 : 54,018.04 = 22,376.88 : x
  2. Step 2: Convert to fraction form
    39,143.52/54,018.04 = 22,376.88/x
  3. Step 3: Cross multiply
    39,143.52x = 54,018.04 × 22,376.88
  4. Step 4: Simplify right side
    39,143.52x = 1,208,755,198.92
  5. Step 5: Solve for x
    x = 1,208,755,198.92/39,143.52
  6. Step 6: Final answer
    x = 30,880.08

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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.