Home / 30,270.15-45,412.79-29,767.86

Finding the Fourth Proportional to 30,270.15, 45,412.79 and 29,767.86

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Solution

The fourth proportional to 30,270.15, 45,412.79 and 29,767.86 is: 44,659.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,270.15 : 45,412.79 = 29,767.86 : x
  2. Step 2: Convert to fraction form
    30,270.15/45,412.79 = 29,767.86/x
  3. Step 3: Cross multiply
    30,270.15x = 45,412.79 × 29,767.86
  4. Step 4: Simplify right side
    30,270.15x = 1,351,841,426.09
  5. Step 5: Solve for x
    x = 1,351,841,426.09/30,270.15
  6. Step 6: Final answer
    x = 44,659.22

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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.