Home / 56,126.99-84,233.32-20,621.97

Finding the Fourth Proportional to 56,126.99, 84,233.32 and 20,621.97

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Solution

The fourth proportional to 56,126.99, 84,233.32 and 20,621.97 is: 30,948.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,126.99 : 84,233.32 = 20,621.97 : x
  2. Step 2: Convert to fraction form
    56,126.99/84,233.32 = 20,621.97/x
  3. Step 3: Cross multiply
    56,126.99x = 84,233.32 × 20,621.97
  4. Step 4: Simplify right side
    56,126.99x = 1,737,056,946.49
  5. Step 5: Solve for x
    x = 1,737,056,946.49/56,126.99
  6. Step 6: Final answer
    x = 30,948.69

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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.