Home / 39,700.44-59,529.78-20,990.52

Finding the Fourth Proportional to 39,700.44, 59,529.78 and 20,990.52

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Solution

The fourth proportional to 39,700.44, 59,529.78 and 20,990.52 is: 31,474.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,700.44 : 59,529.78 = 20,990.52 : x
  2. Step 2: Convert to fraction form
    39,700.44/59,529.78 = 20,990.52/x
  3. Step 3: Cross multiply
    39,700.44x = 59,529.78 × 20,990.52
  4. Step 4: Simplify right side
    39,700.44x = 1,249,561,037.69
  5. Step 5: Solve for x
    x = 1,249,561,037.69/39,700.44
  6. Step 6: Final answer
    x = 31,474.74

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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.