Home / 30,826.12-42,542.94-18,252.76

Finding the Fourth Proportional to 30,826.12, 42,542.94 and 18,252.76

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Solution

The fourth proportional to 30,826.12, 42,542.94 and 18,252.76 is: 25,190.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,826.12 : 42,542.94 = 18,252.76 : x
  2. Step 2: Convert to fraction form
    30,826.12/42,542.94 = 18,252.76/x
  3. Step 3: Cross multiply
    30,826.12x = 42,542.94 × 18,252.76
  4. Step 4: Simplify right side
    30,826.12x = 776,526,073.51
  5. Step 5: Solve for x
    x = 776,526,073.51/30,826.12
  6. Step 6: Final answer
    x = 25,190.52

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Double scale
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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.