Home / 39,767.50-54,877.98-22,771.18

Finding the Fourth Proportional to 39,767.50, 54,877.98 and 22,771.18

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Solution

The fourth proportional to 39,767.50, 54,877.98 and 22,771.18 is: 31,423.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,767.50 : 54,877.98 = 22,771.18 : x
  2. Step 2: Convert to fraction form
    39,767.50/54,877.98 = 22,771.18/x
  3. Step 3: Cross multiply
    39,767.50x = 54,877.98 × 22,771.18
  4. Step 4: Simplify right side
    39,767.50x = 1,249,636,360.62
  5. Step 5: Solve for x
    x = 1,249,636,360.62/39,767.50
  6. Step 6: Final answer
    x = 31,423.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.