Home / 38,429.20-57,643.80-37,910.80

Finding the Fourth Proportional to 38,429.20, 57,643.80 and 37,910.80

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Solution

The fourth proportional to 38,429.20, 57,643.80 and 37,910.80 is: 56,866.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,429.20 : 57,643.80 = 37,910.80 : x
  2. Step 2: Convert to fraction form
    38,429.20/57,643.80 = 37,910.80/x
  3. Step 3: Cross multiply
    38,429.20x = 57,643.80 × 37,910.80
  4. Step 4: Simplify right side
    38,429.20x = 2,185,322,573.04
  5. Step 5: Solve for x
    x = 2,185,322,573.04/38,429.20
  6. Step 6: Final answer
    x = 56,866.20

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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.