Home / 56,370.91-77,792.97-30,877.27

Finding the Fourth Proportional to 56,370.91, 77,792.97 and 30,877.27

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Solution

The fourth proportional to 56,370.91, 77,792.97 and 30,877.27 is: 42,611.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,370.91 : 77,792.97 = 30,877.27 : x
  2. Step 2: Convert to fraction form
    56,370.91/77,792.97 = 30,877.27/x
  3. Step 3: Cross multiply
    56,370.91x = 77,792.97 × 30,877.27
  4. Step 4: Simplify right side
    56,370.91x = 2,402,034,505.21
  5. Step 5: Solve for x
    x = 2,402,034,505.21/56,370.91
  6. Step 6: Final answer
    x = 42,611.24

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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.