Home / 34,684.56-47,863.04-20,342.43

Finding the Fourth Proportional to 34,684.56, 47,863.04 and 20,342.43

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Solution

The fourth proportional to 34,684.56, 47,863.04 and 20,342.43 is: 28,071.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,684.56 : 47,863.04 = 20,342.43 : x
  2. Step 2: Convert to fraction form
    34,684.56/47,863.04 = 20,342.43/x
  3. Step 3: Cross multiply
    34,684.56x = 47,863.04 × 20,342.43
  4. Step 4: Simplify right side
    34,684.56x = 973,650,439.08
  5. Step 5: Solve for x
    x = 973,650,439.08/34,684.56
  6. Step 6: Final answer
    x = 28,071.58

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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.