Home / 53,021.58-73,171.18-29,148.86

Finding the Fourth Proportional to 53,021.58, 73,171.18 and 29,148.86

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Solution

The fourth proportional to 53,021.58, 73,171.18 and 29,148.86 is: 40,226.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,021.58 : 73,171.18 = 29,148.86 : x
  2. Step 2: Convert to fraction form
    53,021.58/73,171.18 = 29,148.86/x
  3. Step 3: Cross multiply
    53,021.58x = 73,171.18 × 29,148.86
  4. Step 4: Simplify right side
    53,021.58x = 2,132,855,970.25
  5. Step 5: Solve for x
    x = 2,132,855,970.25/53,021.58
  6. Step 6: Final answer
    x = 40,226.19

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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.