Home / 47,210.83-70,795.05-13,919.20

Finding the Fourth Proportional to 47,210.83, 70,795.05 and 13,919.20

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Solution

The fourth proportional to 47,210.83, 70,795.05 and 13,919.20 is: 20,872.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,210.83 : 70,795.05 = 13,919.20 : x
  2. Step 2: Convert to fraction form
    47,210.83/70,795.05 = 13,919.20/x
  3. Step 3: Cross multiply
    47,210.83x = 70,795.05 × 13,919.20
  4. Step 4: Simplify right side
    47,210.83x = 985,410,459.96
  5. Step 5: Solve for x
    x = 985,410,459.96/47,210.83
  6. Step 6: Final answer
    x = 20,872.55

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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.