Home / 34,393.20-47,459.31-19,286.49

Finding the Fourth Proportional to 34,393.20, 47,459.31 and 19,286.49

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Solution

The fourth proportional to 34,393.20, 47,459.31 and 19,286.49 is: 26,613.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,393.20 : 47,459.31 = 19,286.49 : x
  2. Step 2: Convert to fraction form
    34,393.20/47,459.31 = 19,286.49/x
  3. Step 3: Cross multiply
    34,393.20x = 47,459.31 × 19,286.49
  4. Step 4: Simplify right side
    34,393.20x = 915,323,507.72
  5. Step 5: Solve for x
    x = 915,323,507.72/34,393.20
  6. Step 6: Final answer
    x = 26,613.50

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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.