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Finding the Fourth Proportional to 55,977.16, 83,950.15 and 18,540.16

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Solution

The fourth proportional to 55,977.16, 83,950.15 and 18,540.16 is: 27,805.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,977.16 : 83,950.15 = 18,540.16 : x
  2. Step 2: Convert to fraction form
    55,977.16/83,950.15 = 18,540.16/x
  3. Step 3: Cross multiply
    55,977.16x = 83,950.15 × 18,540.16
  4. Step 4: Simplify right side
    55,977.16x = 1,556,449,213.02
  5. Step 5: Solve for x
    x = 1,556,449,213.02/55,977.16
  6. Step 6: Final answer
    x = 27,805.08

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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.