Home / 31,351.96-43,266.95-17,205.31

Finding the Fourth Proportional to 31,351.96, 43,266.95 and 17,205.31

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Solution

The fourth proportional to 31,351.96, 43,266.95 and 17,205.31 is: 23,744.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,351.96 : 43,266.95 = 17,205.31 : x
  2. Step 2: Convert to fraction form
    31,351.96/43,266.95 = 17,205.31/x
  3. Step 3: Cross multiply
    31,351.96x = 43,266.95 × 17,205.31
  4. Step 4: Simplify right side
    31,351.96x = 744,421,157.83
  5. Step 5: Solve for x
    x = 744,421,157.83/31,351.96
  6. Step 6: Final answer
    x = 23,744.01

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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.