Home / 45,684.79-63,064.44-27,785.54

Finding the Fourth Proportional to 45,684.79, 63,064.44 and 27,785.54

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Solution

The fourth proportional to 45,684.79, 63,064.44 and 27,785.54 is: 38,355.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,684.79 : 63,064.44 = 27,785.54 : x
  2. Step 2: Convert to fraction form
    45,684.79/63,064.44 = 27,785.54/x
  3. Step 3: Cross multiply
    45,684.79x = 63,064.44 × 27,785.54
  4. Step 4: Simplify right side
    45,684.79x = 1,752,279,677.86
  5. Step 5: Solve for x
    x = 1,752,279,677.86/45,684.79
  6. Step 6: Final answer
    x = 38,355.87

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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.