Home / 30,292.98-45,439.68-10,571.46

Finding the Fourth Proportional to 30,292.98, 45,439.68 and 10,571.46

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Solution

The fourth proportional to 30,292.98, 45,439.68 and 10,571.46 is: 15,857.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,292.98 : 45,439.68 = 10,571.46 : x
  2. Step 2: Convert to fraction form
    30,292.98/45,439.68 = 10,571.46/x
  3. Step 3: Cross multiply
    30,292.98x = 45,439.68 × 10,571.46
  4. Step 4: Simplify right side
    30,292.98x = 480,363,759.53
  5. Step 5: Solve for x
    x = 480,363,759.53/30,292.98
  6. Step 6: Final answer
    x = 15,857.26

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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.