Home / 47,205.79-70,792.18-13,917.02

Finding the Fourth Proportional to 47,205.79, 70,792.18 and 13,917.02

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Solution

The fourth proportional to 47,205.79, 70,792.18 and 13,917.02 is: 20,870.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,205.79 : 70,792.18 = 13,917.02 : x
  2. Step 2: Convert to fraction form
    47,205.79/70,792.18 = 13,917.02/x
  3. Step 3: Cross multiply
    47,205.79x = 70,792.18 × 13,917.02
  4. Step 4: Simplify right side
    47,205.79x = 985,215,796.15
  5. Step 5: Solve for x
    x = 985,215,796.15/47,205.79
  6. Step 6: Final answer
    x = 20,870.66

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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.