Home / 42,993.45-64,490.18-18,026.82

Finding the Fourth Proportional to 42,993.45, 64,490.18 and 18,026.82

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Solution

The fourth proportional to 42,993.45, 64,490.18 and 18,026.82 is: 27,040.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,993.45 : 64,490.18 = 18,026.82 : x
  2. Step 2: Convert to fraction form
    42,993.45/64,490.18 = 18,026.82/x
  3. Step 3: Cross multiply
    42,993.45x = 64,490.18 × 18,026.82
  4. Step 4: Simplify right side
    42,993.45x = 1,162,552,776.49
  5. Step 5: Solve for x
    x = 1,162,552,776.49/42,993.45
  6. Step 6: Final answer
    x = 27,040.23

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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.