Home / 56,237.94-84,329.10-18,785.16

Finding the Fourth Proportional to 56,237.94, 84,329.10 and 18,785.16

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Solution

The fourth proportional to 56,237.94, 84,329.10 and 18,785.16 is: 28,168.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,237.94 : 84,329.10 = 18,785.16 : x
  2. Step 2: Convert to fraction form
    56,237.94/84,329.10 = 18,785.16/x
  3. Step 3: Cross multiply
    56,237.94x = 84,329.10 × 18,785.16
  4. Step 4: Simplify right side
    56,237.94x = 1,584,135,636.16
  5. Step 5: Solve for x
    x = 1,584,135,636.16/56,237.94
  6. Step 6: Final answer
    x = 28,168.45

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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.