Home / 57,003.75-85,468.77-30,727.35

Finding the Fourth Proportional to 57,003.75, 85,468.77 and 30,727.35

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Solution

The fourth proportional to 57,003.75, 85,468.77 and 30,727.35 is: 46,071.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,003.75 : 85,468.77 = 30,727.35 : x
  2. Step 2: Convert to fraction form
    57,003.75/85,468.77 = 30,727.35/x
  3. Step 3: Cross multiply
    57,003.75x = 85,468.77 × 30,727.35
  4. Step 4: Simplify right side
    57,003.75x = 2,626,228,809.86
  5. Step 5: Solve for x
    x = 2,626,228,809.86/57,003.75
  6. Step 6: Final answer
    x = 46,071.16

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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.