Home / 31,212.48-43,072.24-17,064.96

Finding the Fourth Proportional to 31,212.48, 43,072.24 and 17,064.96

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Solution

The fourth proportional to 31,212.48, 43,072.24 and 17,064.96 is: 23,549.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,212.48 : 43,072.24 = 17,064.96 : x
  2. Step 2: Convert to fraction form
    31,212.48/43,072.24 = 17,064.96/x
  3. Step 3: Cross multiply
    31,212.48x = 43,072.24 × 17,064.96
  4. Step 4: Simplify right side
    31,212.48x = 735,026,052.71
  5. Step 5: Solve for x
    x = 735,026,052.71/31,212.48
  6. Step 6: Final answer
    x = 23,549.11

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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.