Home / 39,101.90-58,652.30-9,519.80

Finding the Fourth Proportional to 39,101.90, 58,652.30 and 9,519.80

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Solution

The fourth proportional to 39,101.90, 58,652.30 and 9,519.80 is: 14,279.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,101.90 : 58,652.30 = 9,519.80 : x
  2. Step 2: Convert to fraction form
    39,101.90/58,652.30 = 9,519.80/x
  3. Step 3: Cross multiply
    39,101.90x = 58,652.30 × 9,519.80
  4. Step 4: Simplify right side
    39,101.90x = 558,358,165.54
  5. Step 5: Solve for x
    x = 558,358,165.54/39,101.90
  6. Step 6: Final answer
    x = 14,279.57

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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.