Home / 53,610.51-80,416.98-20,346.24

Finding the Fourth Proportional to 53,610.51, 80,416.98 and 20,346.24

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Solution

The fourth proportional to 53,610.51, 80,416.98 and 20,346.24 is: 30,519.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,610.51 : 80,416.98 = 20,346.24 : x
  2. Step 2: Convert to fraction form
    53,610.51/80,416.98 = 20,346.24/x
  3. Step 3: Cross multiply
    53,610.51x = 80,416.98 × 20,346.24
  4. Step 4: Simplify right side
    53,610.51x = 1,636,183,175.16
  5. Step 5: Solve for x
    x = 1,636,183,175.16/53,610.51
  6. Step 6: Final answer
    x = 30,519.82

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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.