Home / 39,219.40-58,829.10-26,777.80

Finding the Fourth Proportional to 39,219.40, 58,829.10 and 26,777.80

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Solution

The fourth proportional to 39,219.40, 58,829.10 and 26,777.80 is: 40,166.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,219.40 : 58,829.10 = 26,777.80 : x
  2. Step 2: Convert to fraction form
    39,219.40/58,829.10 = 26,777.80/x
  3. Step 3: Cross multiply
    39,219.40x = 58,829.10 × 26,777.80
  4. Step 4: Simplify right side
    39,219.40x = 1,575,313,873.98
  5. Step 5: Solve for x
    x = 1,575,313,873.98/39,219.40
  6. Step 6: Final answer
    x = 40,166.70

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Similar ratio
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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.