Home / 30,840.30-42,560.37-17,411.82

Finding the Fourth Proportional to 30,840.30, 42,560.37 and 17,411.82

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Solution

The fourth proportional to 30,840.30, 42,560.37 and 17,411.82 is: 24,028.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,840.30 : 42,560.37 = 17,411.82 : x
  2. Step 2: Convert to fraction form
    30,840.30/42,560.37 = 17,411.82/x
  3. Step 3: Cross multiply
    30,840.30x = 42,560.37 × 17,411.82
  4. Step 4: Simplify right side
    30,840.30x = 741,053,501.57
  5. Step 5: Solve for x
    x = 741,053,501.57/30,840.30
  6. Step 6: Final answer
    x = 24,028.74

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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.