Home / 49,069.40-73,613.70-20,989.40

Finding the Fourth Proportional to 49,069.40, 73,613.70 and 20,989.40

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Solution

The fourth proportional to 49,069.40, 73,613.70 and 20,989.40 is: 31,488.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,069.40 : 73,613.70 = 20,989.40 : x
  2. Step 2: Convert to fraction form
    49,069.40/73,613.70 = 20,989.40/x
  3. Step 3: Cross multiply
    49,069.40x = 73,613.70 × 20,989.40
  4. Step 4: Simplify right side
    49,069.40x = 1,545,107,394.78
  5. Step 5: Solve for x
    x = 1,545,107,394.78/49,069.40
  6. Step 6: Final answer
    x = 31,488.21

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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.