Home / 30,392.88-45,571.31-10,395.30

Finding the Fourth Proportional to 30,392.88, 45,571.31 and 10,395.30

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Solution

The fourth proportional to 30,392.88, 45,571.31 and 10,395.30 is: 15,586.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,392.88 : 45,571.31 = 10,395.30 : x
  2. Step 2: Convert to fraction form
    30,392.88/45,571.31 = 10,395.30/x
  3. Step 3: Cross multiply
    30,392.88x = 45,571.31 × 10,395.30
  4. Step 4: Simplify right side
    30,392.88x = 473,727,386.87
  5. Step 5: Solve for x
    x = 473,727,386.87/30,392.88
  6. Step 6: Final answer
    x = 15,586.79

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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.