Home / 35,305.53-48,722.40-19,390.02

Finding the Fourth Proportional to 35,305.53, 48,722.40 and 19,390.02

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Solution

The fourth proportional to 35,305.53, 48,722.40 and 19,390.02 is: 26,758.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,305.53 : 48,722.40 = 19,390.02 : x
  2. Step 2: Convert to fraction form
    35,305.53/48,722.40 = 19,390.02/x
  3. Step 3: Cross multiply
    35,305.53x = 48,722.40 × 19,390.02
  4. Step 4: Simplify right side
    35,305.53x = 944,728,310.45
  5. Step 5: Solve for x
    x = 944,728,310.45/35,305.53
  6. Step 6: Final answer
    x = 26,758.65

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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.