Home / 55,140.54-82,719.01-25,561.37

Finding the Fourth Proportional to 55,140.54, 82,719.01 and 25,561.37

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Solution

The fourth proportional to 55,140.54, 82,719.01 and 25,561.37 is: 38,345.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,140.54 : 82,719.01 = 25,561.37 : x
  2. Step 2: Convert to fraction form
    55,140.54/82,719.01 = 25,561.37/x
  3. Step 3: Cross multiply
    55,140.54x = 82,719.01 × 25,561.37
  4. Step 4: Simplify right side
    55,140.54x = 2,114,411,220.64
  5. Step 5: Solve for x
    x = 2,114,411,220.64/55,140.54
  6. Step 6: Final answer
    x = 38,345.86

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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.