Home / 34,242.44-47,259.99-20,817.90

Finding the Fourth Proportional to 34,242.44, 47,259.99 and 20,817.90

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Solution

The fourth proportional to 34,242.44, 47,259.99 and 20,817.90 is: 28,732.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,242.44 : 47,259.99 = 20,817.90 : x
  2. Step 2: Convert to fraction form
    34,242.44/47,259.99 = 20,817.90/x
  3. Step 3: Cross multiply
    34,242.44x = 47,259.99 × 20,817.90
  4. Step 4: Simplify right side
    34,242.44x = 983,853,745.82
  5. Step 5: Solve for x
    x = 983,853,745.82/34,242.44
  6. Step 6: Final answer
    x = 28,732.00

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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.