Home / 63,721.32-87,936.64-35,042.32

Finding the Fourth Proportional to 63,721.32, 87,936.64 and 35,042.32

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Solution

The fourth proportional to 63,721.32, 87,936.64 and 35,042.32 is: 48,359.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,721.32 : 87,936.64 = 35,042.32 : x
  2. Step 2: Convert to fraction form
    63,721.32/87,936.64 = 35,042.32/x
  3. Step 3: Cross multiply
    63,721.32x = 87,936.64 × 35,042.32
  4. Step 4: Simplify right side
    63,721.32x = 3,081,503,900.92
  5. Step 5: Solve for x
    x = 3,081,503,900.92/63,721.32
  6. Step 6: Final answer
    x = 48,359.07

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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.