Home / 63,643-87,827.36-35,351.32

Finding the Fourth Proportional to 63,643, 87,827.36 and 35,351.32

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Solution

The fourth proportional to 63,643, 87,827.36 and 35,351.32 is: 48,784.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,643 : 87,827.36 = 35,351.32 : x
  2. Step 2: Convert to fraction form
    63,643/87,827.36 = 35,351.32/x
  3. Step 3: Cross multiply
    63,643x = 87,827.36 × 35,351.32
  4. Step 4: Simplify right side
    63,643x = 3,104,813,108.12
  5. Step 5: Solve for x
    x = 3,104,813,108.12/63,643
  6. Step 6: Final answer
    x = 48,784.83

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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.