Home / 35,812.26-49,415.43-20,702.02

Finding the Fourth Proportional to 35,812.26, 49,415.43 and 20,702.02

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Solution

The fourth proportional to 35,812.26, 49,415.43 and 20,702.02 is: 28,565.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,812.26 : 49,415.43 = 20,702.02 : x
  2. Step 2: Convert to fraction form
    35,812.26/49,415.43 = 20,702.02/x
  3. Step 3: Cross multiply
    35,812.26x = 49,415.43 × 20,702.02
  4. Step 4: Simplify right side
    35,812.26x = 1,022,999,220.17
  5. Step 5: Solve for x
    x = 1,022,999,220.17/35,812.26
  6. Step 6: Final answer
    x = 28,565.61

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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.