Home / 55,817.36-77,028.04-30,323.28

Finding the Fourth Proportional to 55,817.36, 77,028.04 and 30,323.28

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Solution

The fourth proportional to 55,817.36, 77,028.04 and 30,323.28 is: 41,846.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,817.36 : 77,028.04 = 30,323.28 : x
  2. Step 2: Convert to fraction form
    55,817.36/77,028.04 = 30,323.28/x
  3. Step 3: Cross multiply
    55,817.36x = 77,028.04 × 30,323.28
  4. Step 4: Simplify right side
    55,817.36x = 2,335,742,824.77
  5. Step 5: Solve for x
    x = 2,335,742,824.77/55,817.36
  6. Step 6: Final answer
    x = 41,846.17

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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.