Home / 55,927.75-77,180.44-30,434.10

Finding the Fourth Proportional to 55,927.75, 77,180.44 and 30,434.10

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Solution

The fourth proportional to 55,927.75, 77,180.44 and 30,434.10 is: 41,999.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,927.75 : 77,180.44 = 30,434.10 : x
  2. Step 2: Convert to fraction form
    55,927.75/77,180.44 = 30,434.10/x
  3. Step 3: Cross multiply
    55,927.75x = 77,180.44 × 30,434.10
  4. Step 4: Simplify right side
    55,927.75x = 2,348,917,486.17
  5. Step 5: Solve for x
    x = 2,348,917,486.17/55,927.75
  6. Step 6: Final answer
    x = 41,999.14

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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.