Home / 55,559.89-83,322.54-18,615.25

Finding the Fourth Proportional to 55,559.89, 83,322.54 and 18,615.25

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Solution

The fourth proportional to 55,559.89, 83,322.54 and 18,615.25 is: 27,917.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,559.89 : 83,322.54 = 18,615.25 : x
  2. Step 2: Convert to fraction form
    55,559.89/83,322.54 = 18,615.25/x
  3. Step 3: Cross multiply
    55,559.89x = 83,322.54 × 18,615.25
  4. Step 4: Simplify right side
    55,559.89x = 1,551,069,912.74
  5. Step 5: Solve for x
    x = 1,551,069,912.74/55,559.89
  6. Step 6: Final answer
    x = 27,917.08

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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.