Home / 43,984.92-66,082.53-28,220.91

Finding the Fourth Proportional to 43,984.92, 66,082.53 and 28,220.91

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Solution

The fourth proportional to 43,984.92, 66,082.53 and 28,220.91 is: 42,398.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,984.92 : 66,082.53 = 28,220.91 : x
  2. Step 2: Convert to fraction form
    43,984.92/66,082.53 = 28,220.91/x
  3. Step 3: Cross multiply
    43,984.92x = 66,082.53 × 28,220.91
  4. Step 4: Simplify right side
    43,984.92x = 1,864,909,268.51
  5. Step 5: Solve for x
    x = 1,864,909,268.51/43,984.92
  6. Step 6: Final answer
    x = 42,398.84

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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.