Home / 66,021.20-99,010.20-24,462.80

Finding the Fourth Proportional to 66,021.20, 99,010.20 and 24,462.80

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Solution

The fourth proportional to 66,021.20, 99,010.20 and 24,462.80 is: 36,686.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,021.20 : 99,010.20 = 24,462.80 : x
  2. Step 2: Convert to fraction form
    66,021.20/99,010.20 = 24,462.80/x
  3. Step 3: Cross multiply
    66,021.20x = 99,010.20 × 24,462.80
  4. Step 4: Simplify right side
    66,021.20x = 2,422,066,720.56
  5. Step 5: Solve for x
    x = 2,422,066,720.56/66,021.20
  6. Step 6: Final answer
    x = 36,686.20

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1.5x scale

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.