Home / 56,379.33-77,802.53-31,228.29

Finding the Fourth Proportional to 56,379.33, 77,802.53 and 31,228.29

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Solution

The fourth proportional to 56,379.33, 77,802.53 and 31,228.29 is: 43,094.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,379.33 : 77,802.53 = 31,228.29 : x
  2. Step 2: Convert to fraction form
    56,379.33/77,802.53 = 31,228.29/x
  3. Step 3: Cross multiply
    56,379.33x = 77,802.53 × 31,228.29
  4. Step 4: Simplify right side
    56,379.33x = 2,429,639,813.43
  5. Step 5: Solve for x
    x = 2,429,639,813.43/56,379.33
  6. Step 6: Final answer
    x = 43,094.51

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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.