Home / 39,574.08-59,361.12-18,786.24

Finding the Fourth Proportional to 39,574.08, 59,361.12 and 18,786.24

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Solution

The fourth proportional to 39,574.08, 59,361.12 and 18,786.24 is: 28,179.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,574.08 : 59,361.12 = 18,786.24 : x
  2. Step 2: Convert to fraction form
    39,574.08/59,361.12 = 18,786.24/x
  3. Step 3: Cross multiply
    39,574.08x = 59,361.12 × 18,786.24
  4. Step 4: Simplify right side
    39,574.08x = 1,115,172,246.99
  5. Step 5: Solve for x
    x = 1,115,172,246.99/39,574.08
  6. Step 6: Final answer
    x = 28,179.36

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Similar ratio
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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.