Home / 31,219.20-46,828.80-29,761.20

Finding the Fourth Proportional to 31,219.20, 46,828.80 and 29,761.20

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Solution

The fourth proportional to 31,219.20, 46,828.80 and 29,761.20 is: 44,641.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,219.20 : 46,828.80 = 29,761.20 : x
  2. Step 2: Convert to fraction form
    31,219.20/46,828.80 = 29,761.20/x
  3. Step 3: Cross multiply
    31,219.20x = 46,828.80 × 29,761.20
  4. Step 4: Simplify right side
    31,219.20x = 1,393,681,282.56
  5. Step 5: Solve for x
    x = 1,393,681,282.56/31,219.20
  6. Step 6: Final answer
    x = 44,641.80

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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.