Home / 56,292.23-84,439.36-18,845.32

Finding the Fourth Proportional to 56,292.23, 84,439.36 and 18,845.32

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Solution

The fourth proportional to 56,292.23, 84,439.36 and 18,845.32 is: 28,268.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,292.23 : 84,439.36 = 18,845.32 : x
  2. Step 2: Convert to fraction form
    56,292.23/84,439.36 = 18,845.32/x
  3. Step 3: Cross multiply
    56,292.23x = 84,439.36 × 18,845.32
  4. Step 4: Simplify right side
    56,292.23x = 1,591,286,501.58
  5. Step 5: Solve for x
    x = 1,591,286,501.58/56,292.23
  6. Step 6: Final answer
    x = 28,268.32

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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.