Home / 35,704.20-49,237.80-21,361.74

Finding the Fourth Proportional to 35,704.20, 49,237.80 and 21,361.74

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Solution

The fourth proportional to 35,704.20, 49,237.80 and 21,361.74 is: 29,458.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,704.20 : 49,237.80 = 21,361.74 : x
  2. Step 2: Convert to fraction form
    35,704.20/49,237.80 = 21,361.74/x
  3. Step 3: Cross multiply
    35,704.20x = 49,237.80 × 21,361.74
  4. Step 4: Simplify right side
    35,704.20x = 1,051,805,081.77
  5. Step 5: Solve for x
    x = 1,051,805,081.77/35,704.20
  6. Step 6: Final answer
    x = 29,458.86

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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.