Home / 66,220.64-99,331.08-16,301.68

Finding the Fourth Proportional to 66,220.64, 99,331.08 and 16,301.68

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Solution

The fourth proportional to 66,220.64, 99,331.08 and 16,301.68 is: 24,452.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,220.64 : 99,331.08 = 16,301.68 : x
  2. Step 2: Convert to fraction form
    66,220.64/99,331.08 = 16,301.68/x
  3. Step 3: Cross multiply
    66,220.64x = 99,331.08 × 16,301.68
  4. Step 4: Simplify right side
    66,220.64x = 1,619,263,480.21
  5. Step 5: Solve for x
    x = 1,619,263,480.21/66,220.64
  6. Step 6: Final answer
    x = 24,452.55

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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.