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Finding the Fourth Proportional to 48,593.44, 66,621.52 and 47,707.68

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Solution

The fourth proportional to 48,593.44, 66,621.52 and 47,707.68 is: 65,407.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,593.44 : 66,621.52 = 47,707.68 : x
  2. Step 2: Convert to fraction form
    48,593.44/66,621.52 = 47,707.68/x
  3. Step 3: Cross multiply
    48,593.44x = 66,621.52 × 47,707.68
  4. Step 4: Simplify right side
    48,593.44x = 3,178,358,157.27
  5. Step 5: Solve for x
    x = 3,178,358,157.27/48,593.44
  6. Step 6: Final answer
    x = 65,407.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.