Home / 32,785.90-49,167.51-20,286.79

Finding the Fourth Proportional to 32,785.90, 49,167.51 and 20,286.79

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Solution

The fourth proportional to 32,785.90, 49,167.51 and 20,286.79 is: 30,423.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,785.90 : 49,167.51 = 20,286.79 : x
  2. Step 2: Convert to fraction form
    32,785.90/49,167.51 = 20,286.79/x
  3. Step 3: Cross multiply
    32,785.90x = 49,167.51 × 20,286.79
  4. Step 4: Simplify right side
    32,785.90x = 997,450,751.20
  5. Step 5: Solve for x
    x = 997,450,751.20/32,785.90
  6. Step 6: Final answer
    x = 30,423.16

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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.