Home / 31,372.59-47,055.44-9,186.18

Finding the Fourth Proportional to 31,372.59, 47,055.44 and 9,186.18

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Solution

The fourth proportional to 31,372.59, 47,055.44 and 9,186.18 is: 13,778.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,372.59 : 47,055.44 = 9,186.18 : x
  2. Step 2: Convert to fraction form
    31,372.59/47,055.44 = 9,186.18/x
  3. Step 3: Cross multiply
    31,372.59x = 47,055.44 × 9,186.18
  4. Step 4: Simplify right side
    31,372.59x = 432,259,695.89
  5. Step 5: Solve for x
    x = 432,259,695.89/31,372.59
  6. Step 6: Final answer
    x = 13,778.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.