Home / 57,550.47-79,356.12-39,404.16

Finding the Fourth Proportional to 57,550.47, 79,356.12 and 39,404.16

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Solution

The fourth proportional to 57,550.47, 79,356.12 and 39,404.16 is: 54,334.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,550.47 : 79,356.12 = 39,404.16 : x
  2. Step 2: Convert to fraction form
    57,550.47/79,356.12 = 39,404.16/x
  3. Step 3: Cross multiply
    57,550.47x = 79,356.12 × 39,404.16
  4. Step 4: Simplify right side
    57,550.47x = 3,126,961,249.46
  5. Step 5: Solve for x
    x = 3,126,961,249.46/57,550.47
  6. Step 6: Final answer
    x = 54,334.24

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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.