Home / 30,654.87-45,985.91-10,936.23

Finding the Fourth Proportional to 30,654.87, 45,985.91 and 10,936.23

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Solution

The fourth proportional to 30,654.87, 45,985.91 and 10,936.23 is: 16,405.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,654.87 : 45,985.91 = 10,936.23 : x
  2. Step 2: Convert to fraction form
    30,654.87/45,985.91 = 10,936.23/x
  3. Step 3: Cross multiply
    30,654.87x = 45,985.91 × 10,936.23
  4. Step 4: Simplify right side
    30,654.87x = 502,912,433.84
  5. Step 5: Solve for x
    x = 502,912,433.84/30,654.87
  6. Step 6: Final answer
    x = 16,405.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.