Home / 57,730.68-86,608.98-20,293.32

Finding the Fourth Proportional to 57,730.68, 86,608.98 and 20,293.32

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Solution

The fourth proportional to 57,730.68, 86,608.98 and 20,293.32 is: 30,444.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,730.68 : 86,608.98 = 20,293.32 : x
  2. Step 2: Convert to fraction form
    57,730.68/86,608.98 = 20,293.32/x
  3. Step 3: Cross multiply
    57,730.68x = 86,608.98 × 20,293.32
  4. Step 4: Simplify right side
    57,730.68x = 1,757,583,746.01
  5. Step 5: Solve for x
    x = 1,757,583,746.01/57,730.68
  6. Step 6: Final answer
    x = 30,444.54

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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.