Home / 34,007.80-51,011.70-30,314.20

Finding the Fourth Proportional to 34,007.80, 51,011.70 and 30,314.20

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Solution

The fourth proportional to 34,007.80, 51,011.70 and 30,314.20 is: 45,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,007.80 : 51,011.70 = 30,314.20 : x
  2. Step 2: Convert to fraction form
    34,007.80/51,011.70 = 30,314.20/x
  3. Step 3: Cross multiply
    34,007.80x = 51,011.70 × 30,314.20
  4. Step 4: Simplify right side
    34,007.80x = 1,546,378,876.14
  5. Step 5: Solve for x
    x = 1,546,378,876.14/34,007.80
  6. Step 6: Final answer
    x = 45,471.30

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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.