Home / 34,086.90-47,031.27-21,346.26

Finding the Fourth Proportional to 34,086.90, 47,031.27 and 21,346.26

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Solution

The fourth proportional to 34,086.90, 47,031.27 and 21,346.26 is: 29,452.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,086.90 : 47,031.27 = 21,346.26 : x
  2. Step 2: Convert to fraction form
    34,086.90/47,031.27 = 21,346.26/x
  3. Step 3: Cross multiply
    34,086.90x = 47,031.27 × 21,346.26
  4. Step 4: Simplify right side
    34,086.90x = 1,003,941,717.55
  5. Step 5: Solve for x
    x = 1,003,941,717.55/34,086.90
  6. Step 6: Final answer
    x = 29,452.42

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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.