Home / 53,021.11-73,170.54-28,823.71

Finding the Fourth Proportional to 53,021.11, 73,170.54 and 28,823.71

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Solution

The fourth proportional to 53,021.11, 73,170.54 and 28,823.71 is: 39,777.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,021.11 : 73,170.54 = 28,823.71 : x
  2. Step 2: Convert to fraction form
    53,021.11/73,170.54 = 28,823.71/x
  3. Step 3: Cross multiply
    53,021.11x = 73,170.54 × 28,823.71
  4. Step 4: Simplify right side
    53,021.11x = 2,109,046,425.50
  5. Step 5: Solve for x
    x = 2,109,046,425.50/53,021.11
  6. Step 6: Final answer
    x = 39,777.49

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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.