Home / 49,677.64-68,508.12-31,778.32

Finding the Fourth Proportional to 49,677.64, 68,508.12 and 31,778.32

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Solution

The fourth proportional to 49,677.64, 68,508.12 and 31,778.32 is: 43,824.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,677.64 : 68,508.12 = 31,778.32 : x
  2. Step 2: Convert to fraction form
    49,677.64/68,508.12 = 31,778.32/x
  3. Step 3: Cross multiply
    49,677.64x = 68,508.12 × 31,778.32
  4. Step 4: Simplify right side
    49,677.64x = 2,177,072,959.96
  5. Step 5: Solve for x
    x = 2,177,072,959.96/49,677.64
  6. Step 6: Final answer
    x = 43,824.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.