Home / 73,746.78-110,637.94-21,155.81

Finding the Fourth Proportional to 73,746.78, 110,637.94 and 21,155.81

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Solution

The fourth proportional to 73,746.78, 110,637.94 and 21,155.81 is: 31,738.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,746.78 : 110,637.94 = 21,155.81 : x
  2. Step 2: Convert to fraction form
    73,746.78/110,637.94 = 21,155.81/x
  3. Step 3: Cross multiply
    73,746.78x = 110,637.94 × 21,155.81
  4. Step 4: Simplify right side
    73,746.78x = 2,340,635,237.43
  5. Step 5: Solve for x
    x = 2,340,635,237.43/73,746.78
  6. Step 6: Final answer
    x = 31,738.81

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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.