Home / 55,758.36-83,637.78-18,848.28

Finding the Fourth Proportional to 55,758.36, 83,637.78 and 18,848.28

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Solution

The fourth proportional to 55,758.36, 83,637.78 and 18,848.28 is: 28,272.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,758.36 : 83,637.78 = 18,848.28 : x
  2. Step 2: Convert to fraction form
    55,758.36/83,637.78 = 18,848.28/x
  3. Step 3: Cross multiply
    55,758.36x = 83,637.78 × 18,848.28
  4. Step 4: Simplify right side
    55,758.36x = 1,576,428,296.02
  5. Step 5: Solve for x
    x = 1,576,428,296.02/55,758.36
  6. Step 6: Final answer
    x = 28,272.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.