Home / 48,105.60-66,342.74-30,202.28

Finding the Fourth Proportional to 48,105.60, 66,342.74 and 30,202.28

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Solution

The fourth proportional to 48,105.60, 66,342.74 and 30,202.28 is: 41,652.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,105.60 : 66,342.74 = 30,202.28 : x
  2. Step 2: Convert to fraction form
    48,105.60/66,342.74 = 30,202.28/x
  3. Step 3: Cross multiply
    48,105.60x = 66,342.74 × 30,202.28
  4. Step 4: Simplify right side
    48,105.60x = 2,003,702,009.45
  5. Step 5: Solve for x
    x = 2,003,702,009.45/48,105.60
  6. Step 6: Final answer
    x = 41,652.16

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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.