Home / 49,864.32-68,904-47,434.56

Finding the Fourth Proportional to 49,864.32, 68,904 and 47,434.56

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Solution

The fourth proportional to 49,864.32, 68,904 and 47,434.56 is: 65,546.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,864.32 : 68,904 = 47,434.56 : x
  2. Step 2: Convert to fraction form
    49,864.32/68,904 = 47,434.56/x
  3. Step 3: Cross multiply
    49,864.32x = 68,904 × 47,434.56
  4. Step 4: Simplify right side
    49,864.32x = 3,268,430,922.24
  5. Step 5: Solve for x
    x = 3,268,430,922.24/49,864.32
  6. Step 6: Final answer
    x = 65,546.49

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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.