Home / 34,311.74-51,370.54-21,800.75

Finding the Fourth Proportional to 34,311.74, 51,370.54 and 21,800.75

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Solution

The fourth proportional to 34,311.74, 51,370.54 and 21,800.75 is: 32,639.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,311.74 : 51,370.54 = 21,800.75 : x
  2. Step 2: Convert to fraction form
    34,311.74/51,370.54 = 21,800.75/x
  3. Step 3: Cross multiply
    34,311.74x = 51,370.54 × 21,800.75
  4. Step 4: Simplify right side
    34,311.74x = 1,119,915,988.55
  5. Step 5: Solve for x
    x = 1,119,915,988.55/34,311.74
  6. Step 6: Final answer
    x = 32,639.45

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1.5x scale

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.