Home / 56,395.99-84,572.11-30,086.38

Finding the Fourth Proportional to 56,395.99, 84,572.11 and 30,086.38

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Solution

The fourth proportional to 56,395.99, 84,572.11 and 30,086.38 is: 45,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,395.99 : 84,572.11 = 30,086.38 : x
  2. Step 2: Convert to fraction form
    56,395.99/84,572.11 = 30,086.38/x
  3. Step 3: Cross multiply
    56,395.99x = 84,572.11 × 30,086.38
  4. Step 4: Simplify right side
    56,395.99x = 2,544,468,638.86
  5. Step 5: Solve for x
    x = 2,544,468,638.86/56,395.99
  6. Step 6: Final answer
    x = 45,117.90

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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.