Home / 30,266.20-45,399.30-27,641.80

Finding the Fourth Proportional to 30,266.20, 45,399.30 and 27,641.80

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Solution

The fourth proportional to 30,266.20, 45,399.30 and 27,641.80 is: 41,462.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,266.20 : 45,399.30 = 27,641.80 : x
  2. Step 2: Convert to fraction form
    30,266.20/45,399.30 = 27,641.80/x
  3. Step 3: Cross multiply
    30,266.20x = 45,399.30 × 27,641.80
  4. Step 4: Simplify right side
    30,266.20x = 1,254,918,370.74
  5. Step 5: Solve for x
    x = 1,254,918,370.74/30,266.20
  6. Step 6: Final answer
    x = 41,462.70

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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.