Home / 48,486.12-66,911.52-36,365.28

Finding the Fourth Proportional to 48,486.12, 66,911.52 and 36,365.28

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Solution

The fourth proportional to 48,486.12, 66,911.52 and 36,365.28 is: 50,184.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,486.12 : 66,911.52 = 36,365.28 : x
  2. Step 2: Convert to fraction form
    48,486.12/66,911.52 = 36,365.28/x
  3. Step 3: Cross multiply
    48,486.12x = 66,911.52 × 36,365.28
  4. Step 4: Simplify right side
    48,486.12x = 2,433,256,160.03
  5. Step 5: Solve for x
    x = 2,433,256,160.03/48,486.12
  6. Step 6: Final answer
    x = 50,184.59

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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.