Home / 38,761.78-58,178.98-19,054.48

Finding the Fourth Proportional to 38,761.78, 58,178.98 and 19,054.48

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Solution

The fourth proportional to 38,761.78, 58,178.98 and 19,054.48 is: 28,599.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,761.78 : 58,178.98 = 19,054.48 : x
  2. Step 2: Convert to fraction form
    38,761.78/58,178.98 = 19,054.48/x
  3. Step 3: Cross multiply
    38,761.78x = 58,178.98 × 19,054.48
  4. Step 4: Simplify right side
    38,761.78x = 1,108,570,210.83
  5. Step 5: Solve for x
    x = 1,108,570,210.83/38,761.78
  6. Step 6: Final answer
    x = 28,599.57

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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.