Home / 32,919.40-49,282.16-20,399.19

Finding the Fourth Proportional to 32,919.40, 49,282.16 and 20,399.19

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Solution

The fourth proportional to 32,919.40, 49,282.16 and 20,399.19 is: 30,538.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,919.40 : 49,282.16 = 20,399.19 : x
  2. Step 2: Convert to fraction form
    32,919.40/49,282.16 = 20,399.19/x
  3. Step 3: Cross multiply
    32,919.40x = 49,282.16 × 20,399.19
  4. Step 4: Simplify right side
    32,919.40x = 1,005,316,145.45
  5. Step 5: Solve for x
    x = 1,005,316,145.45/32,919.40
  6. Step 6: Final answer
    x = 30,538.71

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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.