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Finding the Fourth Proportional to 48,066.03, 66,321 and 27,912.51

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Solution

The fourth proportional to 48,066.03, 66,321 and 27,912.51 is: 38,513.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,066.03 : 66,321 = 27,912.51 : x
  2. Step 2: Convert to fraction form
    48,066.03/66,321 = 27,912.51/x
  3. Step 3: Cross multiply
    48,066.03x = 66,321 × 27,912.51
  4. Step 4: Simplify right side
    48,066.03x = 1,851,185,575.71
  5. Step 5: Solve for x
    x = 1,851,185,575.71/48,066.03
  6. Step 6: Final answer
    x = 38,513.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.