Home / 34,264.53-47,299.63-20,840.09

Finding the Fourth Proportional to 34,264.53, 47,299.63 and 20,840.09

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Solution

The fourth proportional to 34,264.53, 47,299.63 and 20,840.09 is: 28,768.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,264.53 : 47,299.63 = 20,840.09 : x
  2. Step 2: Convert to fraction form
    34,264.53/47,299.63 = 20,840.09/x
  3. Step 3: Cross multiply
    34,264.53x = 47,299.63 × 20,840.09
  4. Step 4: Simplify right side
    34,264.53x = 985,728,546.17
  5. Step 5: Solve for x
    x = 985,728,546.17/34,264.53
  6. Step 6: Final answer
    x = 28,768.19

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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.