Home / 31,027.93-42,833.42-19,101.49

Finding the Fourth Proportional to 31,027.93, 42,833.42 and 19,101.49

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Solution

The fourth proportional to 31,027.93, 42,833.42 and 19,101.49 is: 26,369.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,027.93 : 42,833.42 = 19,101.49 : x
  2. Step 2: Convert to fraction form
    31,027.93/42,833.42 = 19,101.49/x
  3. Step 3: Cross multiply
    31,027.93x = 42,833.42 × 19,101.49
  4. Step 4: Simplify right side
    31,027.93x = 818,182,143.80
  5. Step 5: Solve for x
    x = 818,182,143.80/31,027.93
  6. Step 6: Final answer
    x = 26,369.21

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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.