Home / 55,743.12-83,592.88-20,196

Finding the Fourth Proportional to 55,743.12, 83,592.88 and 20,196

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Solution

The fourth proportional to 55,743.12, 83,592.88 and 20,196 is: 30,286.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,743.12 : 83,592.88 = 20,196 : x
  2. Step 2: Convert to fraction form
    55,743.12/83,592.88 = 20,196/x
  3. Step 3: Cross multiply
    55,743.12x = 83,592.88 × 20,196
  4. Step 4: Simplify right side
    55,743.12x = 1,688,241,804.48
  5. Step 5: Solve for x
    x = 1,688,241,804.48/55,743.12
  6. Step 6: Final answer
    x = 30,286.10

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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.