Home / 48,326.64-66,754.64-40,286.56

Finding the Fourth Proportional to 48,326.64, 66,754.64 and 40,286.56

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Solution

The fourth proportional to 48,326.64, 66,754.64 and 40,286.56 is: 55,648.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,326.64 : 66,754.64 = 40,286.56 : x
  2. Step 2: Convert to fraction form
    48,326.64/66,754.64 = 40,286.56/x
  3. Step 3: Cross multiply
    48,326.64x = 66,754.64 × 40,286.56
  4. Step 4: Simplify right side
    48,326.64x = 2,689,314,809.64
  5. Step 5: Solve for x
    x = 2,689,314,809.64/48,326.64
  6. Step 6: Final answer
    x = 55,648.70

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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.