Home / 34,667.28-47,840.88-18,751.68

Finding the Fourth Proportional to 34,667.28, 47,840.88 and 18,751.68

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Solution

The fourth proportional to 34,667.28, 47,840.88 and 18,751.68 is: 25,877.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,667.28 : 47,840.88 = 18,751.68 : x
  2. Step 2: Convert to fraction form
    34,667.28/47,840.88 = 18,751.68/x
  3. Step 3: Cross multiply
    34,667.28x = 47,840.88 × 18,751.68
  4. Step 4: Simplify right side
    34,667.28x = 897,096,872.68
  5. Step 5: Solve for x
    x = 897,096,872.68/34,667.28
  6. Step 6: Final answer
    x = 25,877.34

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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.