Home / 30,026.38-45,055.63-19,493.92

Finding the Fourth Proportional to 30,026.38, 45,055.63 and 19,493.92

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Solution

The fourth proportional to 30,026.38, 45,055.63 and 19,493.92 is: 29,251.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,026.38 : 45,055.63 = 19,493.92 : x
  2. Step 2: Convert to fraction form
    30,026.38/45,055.63 = 19,493.92/x
  3. Step 3: Cross multiply
    30,026.38x = 45,055.63 × 19,493.92
  4. Step 4: Simplify right side
    30,026.38x = 878,310,846.77
  5. Step 5: Solve for x
    x = 878,310,846.77/30,026.38
  6. Step 6: Final answer
    x = 29,251.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.