Home / 35,919.30-49,565.27-20,812.53

Finding the Fourth Proportional to 35,919.30, 49,565.27 and 20,812.53

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Solution

The fourth proportional to 35,919.30, 49,565.27 and 20,812.53 is: 28,719.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,919.30 : 49,565.27 = 20,812.53 : x
  2. Step 2: Convert to fraction form
    35,919.30/49,565.27 = 20,812.53/x
  3. Step 3: Cross multiply
    35,919.30x = 49,565.27 × 20,812.53
  4. Step 4: Simplify right side
    35,919.30x = 1,031,578,720.86
  5. Step 5: Solve for x
    x = 1,031,578,720.86/35,919.30
  6. Step 6: Final answer
    x = 28,719.34

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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.