Home / 34,491.78-47,598.84-20,152.43

Finding the Fourth Proportional to 34,491.78, 47,598.84 and 20,152.43

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Solution

The fourth proportional to 34,491.78, 47,598.84 and 20,152.43 is: 27,810.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,491.78 : 47,598.84 = 20,152.43 : x
  2. Step 2: Convert to fraction form
    34,491.78/47,598.84 = 20,152.43/x
  3. Step 3: Cross multiply
    34,491.78x = 47,598.84 × 20,152.43
  4. Step 4: Simplify right side
    34,491.78x = 959,231,952.42
  5. Step 5: Solve for x
    x = 959,231,952.42/34,491.78
  6. Step 6: Final answer
    x = 27,810.45

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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.