Home / 34,219.52-51,331.12-10,847.78

Finding the Fourth Proportional to 34,219.52, 51,331.12 and 10,847.78

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Solution

The fourth proportional to 34,219.52, 51,331.12 and 10,847.78 is: 16,272.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,219.52 : 51,331.12 = 10,847.78 : x
  2. Step 2: Convert to fraction form
    34,219.52/51,331.12 = 10,847.78/x
  3. Step 3: Cross multiply
    34,219.52x = 51,331.12 × 10,847.78
  4. Step 4: Simplify right side
    34,219.52x = 556,828,696.91
  5. Step 5: Solve for x
    x = 556,828,696.91/34,219.52
  6. Step 6: Final answer
    x = 16,272.25

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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.