Home / 34,158.24-51,240.60-11,977.20

Finding the Fourth Proportional to 34,158.24, 51,240.60 and 11,977.20

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Solution

The fourth proportional to 34,158.24, 51,240.60 and 11,977.20 is: 17,966.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,158.24 : 51,240.60 = 11,977.20 : x
  2. Step 2: Convert to fraction form
    34,158.24/51,240.60 = 11,977.20/x
  3. Step 3: Cross multiply
    34,158.24x = 51,240.60 × 11,977.20
  4. Step 4: Simplify right side
    34,158.24x = 613,718,914.32
  5. Step 5: Solve for x
    x = 613,718,914.32/34,158.24
  6. Step 6: Final answer
    x = 17,966.94

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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.