Home / 34,134.33-47,103.08-21,387.16

Finding the Fourth Proportional to 34,134.33, 47,103.08 and 21,387.16

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Solution

The fourth proportional to 34,134.33, 47,103.08 and 21,387.16 is: 29,512.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,134.33 : 47,103.08 = 21,387.16 : x
  2. Step 2: Convert to fraction form
    34,134.33/47,103.08 = 21,387.16/x
  3. Step 3: Cross multiply
    34,134.33x = 47,103.08 × 21,387.16
  4. Step 4: Simplify right side
    34,134.33x = 1,007,401,108.45
  5. Step 5: Solve for x
    x = 1,007,401,108.45/34,134.33
  6. Step 6: Final answer
    x = 29,512.84

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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.