Home / 36,885.68-55,361.56-19,129.06

Finding the Fourth Proportional to 36,885.68, 55,361.56 and 19,129.06

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Solution

The fourth proportional to 36,885.68, 55,361.56 and 19,129.06 is: 28,710.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,885.68 : 55,361.56 = 19,129.06 : x
  2. Step 2: Convert to fraction form
    36,885.68/55,361.56 = 19,129.06/x
  3. Step 3: Cross multiply
    36,885.68x = 55,361.56 × 19,129.06
  4. Step 4: Simplify right side
    36,885.68x = 1,059,014,602.93
  5. Step 5: Solve for x
    x = 1,059,014,602.93/36,885.68
  6. Step 6: Final answer
    x = 28,710.72

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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.