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Finding the Fourth Proportional to 66,862.64, 100,298.90 and 22,489.22

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Solution

The fourth proportional to 66,862.64, 100,298.90 and 22,489.22 is: 33,735.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,862.64 : 100,298.90 = 22,489.22 : x
  2. Step 2: Convert to fraction form
    66,862.64/100,298.90 = 22,489.22/x
  3. Step 3: Cross multiply
    66,862.64x = 100,298.90 × 22,489.22
  4. Step 4: Simplify right side
    66,862.64x = 2,255,643,582.59
  5. Step 5: Solve for x
    x = 2,255,643,582.59/66,862.64
  6. Step 6: Final answer
    x = 33,735.49

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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.