Home / 34,704.90-47,889.36-20,555.01

Finding the Fourth Proportional to 34,704.90, 47,889.36 and 20,555.01

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Solution

The fourth proportional to 34,704.90, 47,889.36 and 20,555.01 is: 28,363.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,704.90 : 47,889.36 = 20,555.01 : x
  2. Step 2: Convert to fraction form
    34,704.90/47,889.36 = 20,555.01/x
  3. Step 3: Cross multiply
    34,704.90x = 47,889.36 × 20,555.01
  4. Step 4: Simplify right side
    34,704.90x = 984,366,273.69
  5. Step 5: Solve for x
    x = 984,366,273.69/34,704.90
  6. Step 6: Final answer
    x = 28,363.90

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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.