Home / 55,638.95-83,471.54-18,198.87

Finding the Fourth Proportional to 55,638.95, 83,471.54 and 18,198.87

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Solution

The fourth proportional to 55,638.95, 83,471.54 and 18,198.87 is: 27,302.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,638.95 : 83,471.54 = 18,198.87 : x
  2. Step 2: Convert to fraction form
    55,638.95/83,471.54 = 18,198.87/x
  3. Step 3: Cross multiply
    55,638.95x = 83,471.54 × 18,198.87
  4. Step 4: Simplify right side
    55,638.95x = 1,519,087,301.15
  5. Step 5: Solve for x
    x = 1,519,087,301.15/55,638.95
  6. Step 6: Final answer
    x = 27,302.59

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1.5x scale

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.