Home / 56,725.29-85,091.85-19,270.08

Finding the Fourth Proportional to 56,725.29, 85,091.85 and 19,270.08

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Solution

The fourth proportional to 56,725.29, 85,091.85 and 19,270.08 is: 28,906.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,725.29 : 85,091.85 = 19,270.08 : x
  2. Step 2: Convert to fraction form
    56,725.29/85,091.85 = 19,270.08/x
  3. Step 3: Cross multiply
    56,725.29x = 85,091.85 × 19,270.08
  4. Step 4: Simplify right side
    56,725.29x = 1,639,726,756.85
  5. Step 5: Solve for x
    x = 1,639,726,756.85/56,725.29
  6. Step 6: Final answer
    x = 28,906.45

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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.