Home / 34,628.55-47,776.17-21,185.79

Finding the Fourth Proportional to 34,628.55, 47,776.17 and 21,185.79

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Solution

The fourth proportional to 34,628.55, 47,776.17 and 21,185.79 is: 29,229.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,628.55 : 47,776.17 = 21,185.79 : x
  2. Step 2: Convert to fraction form
    34,628.55/47,776.17 = 21,185.79/x
  3. Step 3: Cross multiply
    34,628.55x = 47,776.17 × 21,185.79
  4. Step 4: Simplify right side
    34,628.55x = 1,012,175,904.62
  5. Step 5: Solve for x
    x = 1,012,175,904.62/34,628.55
  6. Step 6: Final answer
    x = 29,229.52

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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.