Home / 34,681.08-51,990.58-12,489.24

Finding the Fourth Proportional to 34,681.08, 51,990.58 and 12,489.24

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Solution

The fourth proportional to 34,681.08, 51,990.58 and 12,489.24 is: 18,722.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,681.08 : 51,990.58 = 12,489.24 : x
  2. Step 2: Convert to fraction form
    34,681.08/51,990.58 = 12,489.24/x
  3. Step 3: Cross multiply
    34,681.08x = 51,990.58 × 12,489.24
  4. Step 4: Simplify right side
    34,681.08x = 649,322,831.36
  5. Step 5: Solve for x
    x = 649,322,831.36/34,681.08
  6. Step 6: Final answer
    x = 18,722.68

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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.