Home / 39,422.20-54,307.40-33,738.72

Finding the Fourth Proportional to 39,422.20, 54,307.40 and 33,738.72

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Solution

The fourth proportional to 39,422.20, 54,307.40 and 33,738.72 is: 46,477.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,422.20 : 54,307.40 = 33,738.72 : x
  2. Step 2: Convert to fraction form
    39,422.20/54,307.40 = 33,738.72/x
  3. Step 3: Cross multiply
    39,422.20x = 54,307.40 × 33,738.72
  4. Step 4: Simplify right side
    39,422.20x = 1,832,262,162.53
  5. Step 5: Solve for x
    x = 1,832,262,162.53/39,422.20
  6. Step 6: Final answer
    x = 46,477.93

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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.