Home / 66,066.84-99,110.56-21,683.48

Finding the Fourth Proportional to 66,066.84, 99,110.56 and 21,683.48

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Solution

The fourth proportional to 66,066.84, 99,110.56 and 21,683.48 is: 32,528.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,066.84 : 99,110.56 = 21,683.48 : x
  2. Step 2: Convert to fraction form
    66,066.84/99,110.56 = 21,683.48/x
  3. Step 3: Cross multiply
    66,066.84x = 99,110.56 × 21,683.48
  4. Step 4: Simplify right side
    66,066.84x = 2,149,061,845.55
  5. Step 5: Solve for x
    x = 2,149,061,845.55/66,066.84
  6. Step 6: Final answer
    x = 32,528.60

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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.