Home / 34,210.70-51,426.40-31,723.42

Finding the Fourth Proportional to 34,210.70, 51,426.40 and 31,723.42

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Solution

The fourth proportional to 34,210.70, 51,426.40 and 31,723.42 is: 47,687.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,210.70 : 51,426.40 = 31,723.42 : x
  2. Step 2: Convert to fraction form
    34,210.70/51,426.40 = 31,723.42/x
  3. Step 3: Cross multiply
    34,210.70x = 51,426.40 × 31,723.42
  4. Step 4: Simplify right side
    34,210.70x = 1,631,421,286.29
  5. Step 5: Solve for x
    x = 1,631,421,286.29/34,210.70
  6. Step 6: Final answer
    x = 47,687.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.