Home / 55,623.40-83,444.19-18,172.60

Finding the Fourth Proportional to 55,623.40, 83,444.19 and 18,172.60

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Solution

The fourth proportional to 55,623.40, 83,444.19 and 18,172.60 is: 27,261.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,623.40 : 83,444.19 = 18,172.60 : x
  2. Step 2: Convert to fraction form
    55,623.40/83,444.19 = 18,172.60/x
  3. Step 3: Cross multiply
    55,623.40x = 83,444.19 × 18,172.60
  4. Step 4: Simplify right side
    55,623.40x = 1,516,397,887.19
  5. Step 5: Solve for x
    x = 1,516,397,887.19/55,623.40
  6. Step 6: Final answer
    x = 27,261.87

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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.