Home / 34,168.88-47,153.28-20,021.84

Finding the Fourth Proportional to 34,168.88, 47,153.28 and 20,021.84

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Solution

The fourth proportional to 34,168.88, 47,153.28 and 20,021.84 is: 27,630.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,168.88 : 47,153.28 = 20,021.84 : x
  2. Step 2: Convert to fraction form
    34,168.88/47,153.28 = 20,021.84/x
  3. Step 3: Cross multiply
    34,168.88x = 47,153.28 × 20,021.84
  4. Step 4: Simplify right side
    34,168.88x = 944,095,427.64
  5. Step 5: Solve for x
    x = 944,095,427.64/34,168.88
  6. Step 6: Final answer
    x = 27,630.27

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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.