Home / 56,348.69-77,761.22-35,128.04

Finding the Fourth Proportional to 56,348.69, 77,761.22 and 35,128.04

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Solution

The fourth proportional to 56,348.69, 77,761.22 and 35,128.04 is: 48,476.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,348.69 : 77,761.22 = 35,128.04 : x
  2. Step 2: Convert to fraction form
    56,348.69/77,761.22 = 35,128.04/x
  3. Step 3: Cross multiply
    56,348.69x = 77,761.22 × 35,128.04
  4. Step 4: Simplify right side
    56,348.69x = 2,731,598,682.16
  5. Step 5: Solve for x
    x = 2,731,598,682.16/56,348.69
  6. Step 6: Final answer
    x = 48,476.71

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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.