Home / 56,229.15-84,315.74-18,776.37

Finding the Fourth Proportional to 56,229.15, 84,315.74 and 18,776.37

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Solution

The fourth proportional to 56,229.15, 84,315.74 and 18,776.37 is: 28,155.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,229.15 : 84,315.74 = 18,776.37 : x
  2. Step 2: Convert to fraction form
    56,229.15/84,315.74 = 18,776.37/x
  3. Step 3: Cross multiply
    56,229.15x = 84,315.74 × 18,776.37
  4. Step 4: Simplify right side
    56,229.15x = 1,583,143,437.18
  5. Step 5: Solve for x
    x = 1,583,143,437.18/56,229.15
  6. Step 6: Final answer
    x = 28,155.21

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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.