Home / 31,170.06-43,009.65-17,741.54

Finding the Fourth Proportional to 31,170.06, 43,009.65 and 17,741.54

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Solution

The fourth proportional to 31,170.06, 43,009.65 and 17,741.54 is: 24,480.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,170.06 : 43,009.65 = 17,741.54 : x
  2. Step 2: Convert to fraction form
    31,170.06/43,009.65 = 17,741.54/x
  3. Step 3: Cross multiply
    31,170.06x = 43,009.65 × 17,741.54
  4. Step 4: Simplify right side
    31,170.06x = 763,057,210.81
  5. Step 5: Solve for x
    x = 763,057,210.81/31,170.06
  6. Step 6: Final answer
    x = 24,480.45

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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.