Home / 30,240.86-45,381.92-10,519.22

Finding the Fourth Proportional to 30,240.86, 45,381.92 and 10,519.22

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Solution

The fourth proportional to 30,240.86, 45,381.92 and 10,519.22 is: 15,786.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,240.86 : 45,381.92 = 10,519.22 : x
  2. Step 2: Convert to fraction form
    30,240.86/45,381.92 = 10,519.22/x
  3. Step 3: Cross multiply
    30,240.86x = 45,381.92 × 10,519.22
  4. Step 4: Simplify right side
    30,240.86x = 477,382,199.89
  5. Step 5: Solve for x
    x = 477,382,199.89/30,240.86
  6. Step 6: Final answer
    x = 15,786.00

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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.