Home / 30,008.24-45,007.74-10,282.28

Finding the Fourth Proportional to 30,008.24, 45,007.74 and 10,282.28

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Solution

The fourth proportional to 30,008.24, 45,007.74 and 10,282.28 is: 15,421.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,008.24 : 45,007.74 = 10,282.28 : x
  2. Step 2: Convert to fraction form
    30,008.24/45,007.74 = 10,282.28/x
  3. Step 3: Cross multiply
    30,008.24x = 45,007.74 × 10,282.28
  4. Step 4: Simplify right side
    30,008.24x = 462,782,184.85
  5. Step 5: Solve for x
    x = 462,782,184.85/30,008.24
  6. Step 6: Final answer
    x = 15,421.84

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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.