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Finding the Fourth Proportional to 35,219.93, 52,831.80 and 8,924.90

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Solution

The fourth proportional to 35,219.93, 52,831.80 and 8,924.90 is: 13,387.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,219.93 : 52,831.80 = 8,924.90 : x
  2. Step 2: Convert to fraction form
    35,219.93/52,831.80 = 8,924.90/x
  3. Step 3: Cross multiply
    35,219.93x = 52,831.80 × 8,924.90
  4. Step 4: Simplify right side
    35,219.93x = 471,518,267.66
  5. Step 5: Solve for x
    x = 471,518,267.66/35,219.93
  6. Step 6: Final answer
    x = 13,387.83

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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.