Home / 43,076.50-64,614.80-20,893.14

Finding the Fourth Proportional to 43,076.50, 64,614.80 and 20,893.14

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Solution

The fourth proportional to 43,076.50, 64,614.80 and 20,893.14 is: 31,339.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,076.50 : 64,614.80 = 20,893.14 : x
  2. Step 2: Convert to fraction form
    43,076.50/64,614.80 = 20,893.14/x
  3. Step 3: Cross multiply
    43,076.50x = 64,614.80 × 20,893.14
  4. Step 4: Simplify right side
    43,076.50x = 1,350,006,085.32
  5. Step 5: Solve for x
    x = 1,350,006,085.32/43,076.50
  6. Step 6: Final answer
    x = 31,339.74

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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.