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Finding the Fourth Proportional to 48,407.08, 66,798.48 and 27,188.32

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Solution

The fourth proportional to 48,407.08, 66,798.48 and 27,188.32 is: 37,518.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,407.08 : 66,798.48 = 27,188.32 : x
  2. Step 2: Convert to fraction form
    48,407.08/66,798.48 = 27,188.32/x
  3. Step 3: Cross multiply
    48,407.08x = 66,798.48 × 27,188.32
  4. Step 4: Simplify right side
    48,407.08x = 1,816,138,449.75
  5. Step 5: Solve for x
    x = 1,816,138,449.75/48,407.08
  6. Step 6: Final answer
    x = 37,518.03

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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.