Home / 34,205.40-51,307.68-10,831.80

Finding the Fourth Proportional to 34,205.40, 51,307.68 and 10,831.80

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Solution

The fourth proportional to 34,205.40, 51,307.68 and 10,831.80 is: 16,247.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,205.40 : 51,307.68 = 10,831.80 : x
  2. Step 2: Convert to fraction form
    34,205.40/51,307.68 = 10,831.80/x
  3. Step 3: Cross multiply
    34,205.40x = 51,307.68 × 10,831.80
  4. Step 4: Simplify right side
    34,205.40x = 555,754,528.22
  5. Step 5: Solve for x
    x = 555,754,528.22/34,205.40
  6. Step 6: Final answer
    x = 16,247.57

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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.