Home / 20,654.22-31,056.06-19,030.38

Finding the Fourth Proportional to 20,654.22, 31,056.06 and 19,030.38

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Solution

The fourth proportional to 20,654.22, 31,056.06 and 19,030.38 is: 28,614.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,654.22 : 31,056.06 = 19,030.38 : x
  2. Step 2: Convert to fraction form
    20,654.22/31,056.06 = 19,030.38/x
  3. Step 3: Cross multiply
    20,654.22x = 31,056.06 × 19,030.38
  4. Step 4: Simplify right side
    20,654.22x = 591,008,623.10
  5. Step 5: Solve for x
    x = 591,008,623.10/20,654.22
  6. Step 6: Final answer
    x = 28,614.42

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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.