Home / 31,181.34-43,005.93-27,600.12

Finding the Fourth Proportional to 31,181.34, 43,005.93 and 27,600.12

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Solution

The fourth proportional to 31,181.34, 43,005.93 and 27,600.12 is: 38,066.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,181.34 : 43,005.93 = 27,600.12 : x
  2. Step 2: Convert to fraction form
    31,181.34/43,005.93 = 27,600.12/x
  3. Step 3: Cross multiply
    31,181.34x = 43,005.93 × 27,600.12
  4. Step 4: Simplify right side
    31,181.34x = 1,186,968,828.71
  5. Step 5: Solve for x
    x = 1,186,968,828.71/31,181.34
  6. Step 6: Final answer
    x = 38,066.64

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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.