Home / 53,740.36-80,595.42-18,679.24

Finding the Fourth Proportional to 53,740.36, 80,595.42 and 18,679.24

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Solution

The fourth proportional to 53,740.36, 80,595.42 and 18,679.24 is: 28,013.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,740.36 : 80,595.42 = 18,679.24 : x
  2. Step 2: Convert to fraction form
    53,740.36/80,595.42 = 18,679.24/x
  3. Step 3: Cross multiply
    53,740.36x = 80,595.42 × 18,679.24
  4. Step 4: Simplify right side
    53,740.36x = 1,505,461,193.08
  5. Step 5: Solve for x
    x = 1,505,461,193.08/53,740.36
  6. Step 6: Final answer
    x = 28,013.60

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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.