Home / 47,515.50-71,223.30-15,917.76

Finding the Fourth Proportional to 47,515.50, 71,223.30 and 15,917.76

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Solution

The fourth proportional to 47,515.50, 71,223.30 and 15,917.76 is: 23,859.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,515.50 : 71,223.30 = 15,917.76 : x
  2. Step 2: Convert to fraction form
    47,515.50/71,223.30 = 15,917.76/x
  3. Step 3: Cross multiply
    47,515.50x = 71,223.30 × 15,917.76
  4. Step 4: Simplify right side
    47,515.50x = 1,133,715,395.81
  5. Step 5: Solve for x
    x = 1,133,715,395.81/47,515.50
  6. Step 6: Final answer
    x = 23,859.91

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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.