Home / 34,635.63-47,797.52-18,720.39

Finding the Fourth Proportional to 34,635.63, 47,797.52 and 18,720.39

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Solution

The fourth proportional to 34,635.63, 47,797.52 and 18,720.39 is: 25,834.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,635.63 : 47,797.52 = 18,720.39 : x
  2. Step 2: Convert to fraction form
    34,635.63/47,797.52 = 18,720.39/x
  3. Step 3: Cross multiply
    34,635.63x = 47,797.52 × 18,720.39
  4. Step 4: Simplify right side
    34,635.63x = 894,788,121.83
  5. Step 5: Solve for x
    x = 894,788,121.83/34,635.63
  6. Step 6: Final answer
    x = 25,834.32

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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.