Home / 33,421.28-50,088.24-13,689.08

Finding the Fourth Proportional to 33,421.28, 50,088.24 and 13,689.08

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Solution

The fourth proportional to 33,421.28, 50,088.24 and 13,689.08 is: 20,515.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,421.28 : 50,088.24 = 13,689.08 : x
  2. Step 2: Convert to fraction form
    33,421.28/50,088.24 = 13,689.08/x
  3. Step 3: Cross multiply
    33,421.28x = 50,088.24 × 13,689.08
  4. Step 4: Simplify right side
    33,421.28x = 685,661,924.42
  5. Step 5: Solve for x
    x = 685,661,924.42/33,421.28
  6. Step 6: Final answer
    x = 20,515.73

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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.