Home / 34,728.08-47,924.88-18,812.49

Finding the Fourth Proportional to 34,728.08, 47,924.88 and 18,812.49

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Solution

The fourth proportional to 34,728.08, 47,924.88 and 18,812.49 is: 25,961.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,728.08 : 47,924.88 = 18,812.49 : x
  2. Step 2: Convert to fraction form
    34,728.08/47,924.88 = 18,812.49/x
  3. Step 3: Cross multiply
    34,728.08x = 47,924.88 × 18,812.49
  4. Step 4: Simplify right side
    34,728.08x = 901,586,278.72
  5. Step 5: Solve for x
    x = 901,586,278.72/34,728.08
  6. Step 6: Final answer
    x = 25,961.31

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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.