Home / 31,192.92-42,937.74-27,207.09

Finding the Fourth Proportional to 31,192.92, 42,937.74 and 27,207.09

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Solution

The fourth proportional to 31,192.92, 42,937.74 and 27,207.09 is: 37,451.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,192.92 : 42,937.74 = 27,207.09 : x
  2. Step 2: Convert to fraction form
    31,192.92/42,937.74 = 27,207.09/x
  3. Step 3: Cross multiply
    31,192.92x = 42,937.74 × 27,207.09
  4. Step 4: Simplify right side
    31,192.92x = 1,168,210,956.58
  5. Step 5: Solve for x
    x = 1,168,210,956.58/31,192.92
  6. Step 6: Final answer
    x = 37,451.16

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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.