Home / 30,801.11-42,502.37-22,739.04

Finding the Fourth Proportional to 30,801.11, 42,502.37 and 22,739.04

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Solution

The fourth proportional to 30,801.11, 42,502.37 and 22,739.04 is: 31,377.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,801.11 : 42,502.37 = 22,739.04 : x
  2. Step 2: Convert to fraction form
    30,801.11/42,502.37 = 22,739.04/x
  3. Step 3: Cross multiply
    30,801.11x = 42,502.37 × 22,739.04
  4. Step 4: Simplify right side
    30,801.11x = 966,462,977.83
  5. Step 5: Solve for x
    x = 966,462,977.83/30,801.11
  6. Step 6: Final answer
    x = 31,377.54

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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.