Home / 48,055.72-72,087.22-12,994.86

Finding the Fourth Proportional to 48,055.72, 72,087.22 and 12,994.86

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Solution

The fourth proportional to 48,055.72, 72,087.22 and 12,994.86 is: 19,493.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,055.72 : 72,087.22 = 12,994.86 : x
  2. Step 2: Convert to fraction form
    48,055.72/72,087.22 = 12,994.86/x
  3. Step 3: Cross multiply
    48,055.72x = 72,087.22 × 12,994.86
  4. Step 4: Simplify right side
    48,055.72x = 936,763,331.69
  5. Step 5: Solve for x
    x = 936,763,331.69/48,055.72
  6. Step 6: Final answer
    x = 19,493.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.