Home / 55,651.09-83,475.40-13,531.39

Finding the Fourth Proportional to 55,651.09, 83,475.40 and 13,531.39

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Solution

The fourth proportional to 55,651.09, 83,475.40 and 13,531.39 is: 20,296.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,651.09 : 83,475.40 = 13,531.39 : x
  2. Step 2: Convert to fraction form
    55,651.09/83,475.40 = 13,531.39/x
  3. Step 3: Cross multiply
    55,651.09x = 83,475.40 × 13,531.39
  4. Step 4: Simplify right side
    55,651.09x = 1,129,538,192.81
  5. Step 5: Solve for x
    x = 1,129,538,192.81/55,651.09
  6. Step 6: Final answer
    x = 20,296.78

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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.