Home / 42,686.36-63,940.24-34,321.08

Finding the Fourth Proportional to 42,686.36, 63,940.24 and 34,321.08

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Solution

The fourth proportional to 42,686.36, 63,940.24 and 34,321.08 is: 51,409.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,686.36 : 63,940.24 = 34,321.08 : x
  2. Step 2: Convert to fraction form
    42,686.36/63,940.24 = 34,321.08/x
  3. Step 3: Cross multiply
    42,686.36x = 63,940.24 × 34,321.08
  4. Step 4: Simplify right side
    42,686.36x = 2,194,498,092.26
  5. Step 5: Solve for x
    x = 2,194,498,092.26/42,686.36
  6. Step 6: Final answer
    x = 51,409.82

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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.