Home / 30,921.06-42,687.60-24,192.36

Finding the Fourth Proportional to 30,921.06, 42,687.60 and 24,192.36

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Solution

The fourth proportional to 30,921.06, 42,687.60 and 24,192.36 is: 33,398.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,921.06 : 42,687.60 = 24,192.36 : x
  2. Step 2: Convert to fraction form
    30,921.06/42,687.60 = 24,192.36/x
  3. Step 3: Cross multiply
    30,921.06x = 42,687.60 × 24,192.36
  4. Step 4: Simplify right side
    30,921.06x = 1,032,713,786.74
  5. Step 5: Solve for x
    x = 1,032,713,786.74/30,921.06
  6. Step 6: Final answer
    x = 33,398.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.