Home / 56,847.96-78,403.68-50,479.20

Finding the Fourth Proportional to 56,847.96, 78,403.68 and 50,479.20

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Solution

The fourth proportional to 56,847.96, 78,403.68 and 50,479.20 is: 69,620.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,847.96 : 78,403.68 = 50,479.20 : x
  2. Step 2: Convert to fraction form
    56,847.96/78,403.68 = 50,479.20/x
  3. Step 3: Cross multiply
    56,847.96x = 78,403.68 × 50,479.20
  4. Step 4: Simplify right side
    56,847.96x = 3,957,755,043.46
  5. Step 5: Solve for x
    x = 3,957,755,043.46/56,847.96
  6. Step 6: Final answer
    x = 69,620.00

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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.