Home / 31,212.41-43,073.10-17,065.22

Finding the Fourth Proportional to 31,212.41, 43,073.10 and 17,065.22

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Solution

The fourth proportional to 31,212.41, 43,073.10 and 17,065.22 is: 23,549.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,212.41 : 43,073.10 = 17,065.22 : x
  2. Step 2: Convert to fraction form
    31,212.41/43,073.10 = 17,065.22/x
  3. Step 3: Cross multiply
    31,212.41x = 43,073.10 × 17,065.22
  4. Step 4: Simplify right side
    31,212.41x = 735,051,712.22
  5. Step 5: Solve for x
    x = 735,051,712.22/31,212.41
  6. Step 6: Final answer
    x = 23,549.99

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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.