Home / 39,267.59-58,880.42-20,502.21

Finding the Fourth Proportional to 39,267.59, 58,880.42 and 20,502.21

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Solution

The fourth proportional to 39,267.59, 58,880.42 and 20,502.21 is: 30,742.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,267.59 : 58,880.42 = 20,502.21 : x
  2. Step 2: Convert to fraction form
    39,267.59/58,880.42 = 20,502.21/x
  3. Step 3: Cross multiply
    39,267.59x = 58,880.42 × 20,502.21
  4. Step 4: Simplify right side
    39,267.59x = 1,207,178,930.90
  5. Step 5: Solve for x
    x = 1,207,178,930.90/39,267.59
  6. Step 6: Final answer
    x = 30,742.38

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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.