Home / 39,615.16-59,442.30-18,556.66

Finding the Fourth Proportional to 39,615.16, 59,442.30 and 18,556.66

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Solution

The fourth proportional to 39,615.16, 59,442.30 and 18,556.66 is: 27,844.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,615.16 : 59,442.30 = 18,556.66 : x
  2. Step 2: Convert to fraction form
    39,615.16/59,442.30 = 18,556.66/x
  3. Step 3: Cross multiply
    39,615.16x = 59,442.30 × 18,556.66
  4. Step 4: Simplify right side
    39,615.16x = 1,103,050,550.72
  5. Step 5: Solve for x
    x = 1,103,050,550.72/39,615.16
  6. Step 6: Final answer
    x = 27,844.15

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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.