Home / 57,351.21-79,141.93-31,859.20

Finding the Fourth Proportional to 57,351.21, 79,141.93 and 31,859.20

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Solution

The fourth proportional to 57,351.21, 79,141.93 and 31,859.20 is: 43,964.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,351.21 : 79,141.93 = 31,859.20 : x
  2. Step 2: Convert to fraction form
    57,351.21/79,141.93 = 31,859.20/x
  3. Step 3: Cross multiply
    57,351.21x = 79,141.93 × 31,859.20
  4. Step 4: Simplify right side
    57,351.21x = 2,521,398,576.26
  5. Step 5: Solve for x
    x = 2,521,398,576.26/57,351.21
  6. Step 6: Final answer
    x = 43,964.17

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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.