Home / 35,919.42-49,565.44-20,812.66

Finding the Fourth Proportional to 35,919.42, 49,565.44 and 20,812.66

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Solution

The fourth proportional to 35,919.42, 49,565.44 and 20,812.66 is: 28,719.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,919.42 : 49,565.44 = 20,812.66 : x
  2. Step 2: Convert to fraction form
    35,919.42/49,565.44 = 20,812.66/x
  3. Step 3: Cross multiply
    35,919.42x = 49,565.44 × 20,812.66
  4. Step 4: Simplify right side
    35,919.42x = 1,031,588,650.47
  5. Step 5: Solve for x
    x = 1,031,588,650.47/35,919.42
  6. Step 6: Final answer
    x = 28,719.52

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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.