Home / 39,944.98-59,923.14-21,220.12

Finding the Fourth Proportional to 39,944.98, 59,923.14 and 21,220.12

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Solution

The fourth proportional to 39,944.98, 59,923.14 and 21,220.12 is: 31,833.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,944.98 : 59,923.14 = 21,220.12 : x
  2. Step 2: Convert to fraction form
    39,944.98/59,923.14 = 21,220.12/x
  3. Step 3: Cross multiply
    39,944.98x = 59,923.14 × 21,220.12
  4. Step 4: Simplify right side
    39,944.98x = 1,271,576,221.58
  5. Step 5: Solve for x
    x = 1,271,576,221.58/39,944.98
  6. Step 6: Final answer
    x = 31,833.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.