Home / 41,239.80-61,859.70-31,398.30

Finding the Fourth Proportional to 41,239.80, 61,859.70 and 31,398.30

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Solution

The fourth proportional to 41,239.80, 61,859.70 and 31,398.30 is: 47,097.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,239.80 : 61,859.70 = 31,398.30 : x
  2. Step 2: Convert to fraction form
    41,239.80/61,859.70 = 31,398.30/x
  3. Step 3: Cross multiply
    41,239.80x = 61,859.70 × 31,398.30
  4. Step 4: Simplify right side
    41,239.80x = 1,942,289,418.51
  5. Step 5: Solve for x
    x = 1,942,289,418.51/41,239.80
  6. Step 6: Final answer
    x = 47,097.45

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1.5x scale

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.