Home / 48,330.64-66,760.16-40,290.56

Finding the Fourth Proportional to 48,330.64, 66,760.16 and 40,290.56

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Solution

The fourth proportional to 48,330.64, 66,760.16 and 40,290.56 is: 55,654.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,330.64 : 66,760.16 = 40,290.56 : x
  2. Step 2: Convert to fraction form
    48,330.64/66,760.16 = 40,290.56/x
  3. Step 3: Cross multiply
    48,330.64x = 66,760.16 × 40,290.56
  4. Step 4: Simplify right side
    48,330.64x = 2,689,804,232.09
  5. Step 5: Solve for x
    x = 2,689,804,232.09/48,330.64
  6. Step 6: Final answer
    x = 55,654.22

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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.