Home / 30,689.11-42,167.44-24,390.55

Finding the Fourth Proportional to 30,689.11, 42,167.44 and 24,390.55

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Solution

The fourth proportional to 30,689.11, 42,167.44 and 24,390.55 is: 33,513.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,689.11 : 42,167.44 = 24,390.55 : x
  2. Step 2: Convert to fraction form
    30,689.11/42,167.44 = 24,390.55/x
  3. Step 3: Cross multiply
    30,689.11x = 42,167.44 × 24,390.55
  4. Step 4: Simplify right side
    30,689.11x = 1,028,487,053.69
  5. Step 5: Solve for x
    x = 1,028,487,053.69/30,689.11
  6. Step 6: Final answer
    x = 33,513.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.