Home / 30,744.40-46,127.50-15,172.96

Finding the Fourth Proportional to 30,744.40, 46,127.50 and 15,172.96

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Solution

The fourth proportional to 30,744.40, 46,127.50 and 15,172.96 is: 22,764.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,744.40 : 46,127.50 = 15,172.96 : x
  2. Step 2: Convert to fraction form
    30,744.40/46,127.50 = 15,172.96/x
  3. Step 3: Cross multiply
    30,744.40x = 46,127.50 × 15,172.96
  4. Step 4: Simplify right side
    30,744.40x = 699,890,712.40
  5. Step 5: Solve for x
    x = 699,890,712.40/30,744.40
  6. Step 6: Final answer
    x = 22,764.82

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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.