Home / 39,852.91-59,816.22-20,145.21

Finding the Fourth Proportional to 39,852.91, 59,816.22 and 20,145.21

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Solution

The fourth proportional to 39,852.91, 59,816.22 and 20,145.21 is: 30,236.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,852.91 : 59,816.22 = 20,145.21 : x
  2. Step 2: Convert to fraction form
    39,852.91/59,816.22 = 20,145.21/x
  3. Step 3: Cross multiply
    39,852.91x = 59,816.22 × 20,145.21
  4. Step 4: Simplify right side
    39,852.91x = 1,205,010,313.31
  5. Step 5: Solve for x
    x = 1,205,010,313.31/39,852.91
  6. Step 6: Final answer
    x = 30,236.44

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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.