Home / 31,847.80-43,950.81-17,312.96

Finding the Fourth Proportional to 31,847.80, 43,950.81 and 17,312.96

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Solution

The fourth proportional to 31,847.80, 43,950.81 and 17,312.96 is: 23,892.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,847.80 : 43,950.81 = 17,312.96 : x
  2. Step 2: Convert to fraction form
    31,847.80/43,950.81 = 17,312.96/x
  3. Step 3: Cross multiply
    31,847.80x = 43,950.81 × 17,312.96
  4. Step 4: Simplify right side
    31,847.80x = 760,918,744.41
  5. Step 5: Solve for x
    x = 760,918,744.41/31,847.80
  6. Step 6: Final answer
    x = 23,892.35

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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.