Home / 55,041.22-82,505.78-21,715.54

Finding the Fourth Proportional to 55,041.22, 82,505.78 and 21,715.54

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Solution

The fourth proportional to 55,041.22, 82,505.78 and 21,715.54 is: 32,551.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,041.22 : 82,505.78 = 21,715.54 : x
  2. Step 2: Convert to fraction form
    55,041.22/82,505.78 = 21,715.54/x
  3. Step 3: Cross multiply
    55,041.22x = 82,505.78 × 21,715.54
  4. Step 4: Simplify right side
    55,041.22x = 1,791,657,207.58
  5. Step 5: Solve for x
    x = 1,791,657,207.58/55,041.22
  6. Step 6: Final answer
    x = 32,551.19

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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.