Home / 40,783.92-61,106.10-31,895.82

Finding the Fourth Proportional to 40,783.92, 61,106.10 and 31,895.82

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Solution

The fourth proportional to 40,783.92, 61,106.10 and 31,895.82 is: 47,789.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,783.92 : 61,106.10 = 31,895.82 : x
  2. Step 2: Convert to fraction form
    40,783.92/61,106.10 = 31,895.82/x
  3. Step 3: Cross multiply
    40,783.92x = 61,106.10 × 31,895.82
  4. Step 4: Simplify right side
    40,783.92x = 1,949,029,166.50
  5. Step 5: Solve for x
    x = 1,949,029,166.50/40,783.92
  6. Step 6: Final answer
    x = 47,789.16

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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.