Home / 30,836.68-42,562.83-17,415.79

Finding the Fourth Proportional to 30,836.68, 42,562.83 and 17,415.79

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Solution

The fourth proportional to 30,836.68, 42,562.83 and 17,415.79 is: 24,038.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,836.68 : 42,562.83 = 17,415.79 : x
  2. Step 2: Convert to fraction form
    30,836.68/42,562.83 = 17,415.79/x
  3. Step 3: Cross multiply
    30,836.68x = 42,562.83 × 17,415.79
  4. Step 4: Simplify right side
    30,836.68x = 741,265,309.09
  5. Step 5: Solve for x
    x = 741,265,309.09/30,836.68
  6. Step 6: Final answer
    x = 24,038.43

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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.