Home / 73,669.64-110,411.94-31,500.18

Finding the Fourth Proportional to 73,669.64, 110,411.94 and 31,500.18

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Solution

The fourth proportional to 73,669.64, 110,411.94 and 31,500.18 is: 47,210.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,669.64 : 110,411.94 = 31,500.18 : x
  2. Step 2: Convert to fraction form
    73,669.64/110,411.94 = 31,500.18/x
  3. Step 3: Cross multiply
    73,669.64x = 110,411.94 × 31,500.18
  4. Step 4: Simplify right side
    73,669.64x = 3,477,995,984.15
  5. Step 5: Solve for x
    x = 3,477,995,984.15/73,669.64
  6. Step 6: Final answer
    x = 47,210.71

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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.