Home / 34,241.94-47,259.30-20,817.40

Finding the Fourth Proportional to 34,241.94, 47,259.30 and 20,817.40

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Solution

The fourth proportional to 34,241.94, 47,259.30 and 20,817.40 is: 28,731.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,241.94 : 47,259.30 = 20,817.40 : x
  2. Step 2: Convert to fraction form
    34,241.94/47,259.30 = 20,817.40/x
  3. Step 3: Cross multiply
    34,241.94x = 47,259.30 × 20,817.40
  4. Step 4: Simplify right side
    34,241.94x = 983,815,751.82
  5. Step 5: Solve for x
    x = 983,815,751.82/34,241.94
  6. Step 6: Final answer
    x = 28,731.31

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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.