Home / 48,447.32-66,815.66-31,434.80

Finding the Fourth Proportional to 48,447.32, 66,815.66 and 31,434.80

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Solution

The fourth proportional to 48,447.32, 66,815.66 and 31,434.80 is: 43,353.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,447.32 : 66,815.66 = 31,434.80 : x
  2. Step 2: Convert to fraction form
    48,447.32/66,815.66 = 31,434.80/x
  3. Step 3: Cross multiply
    48,447.32x = 66,815.66 × 31,434.80
  4. Step 4: Simplify right side
    48,447.32x = 2,100,336,653.48
  5. Step 5: Solve for x
    x = 2,100,336,653.48/48,447.32
  6. Step 6: Final answer
    x = 43,353.00

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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.