Home / 30,287.46-45,431.22-10,561.26

Finding the Fourth Proportional to 30,287.46, 45,431.22 and 10,561.26

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Solution

The fourth proportional to 30,287.46, 45,431.22 and 10,561.26 is: 15,841.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,287.46 : 45,431.22 = 10,561.26 : x
  2. Step 2: Convert to fraction form
    30,287.46/45,431.22 = 10,561.26/x
  3. Step 3: Cross multiply
    30,287.46x = 45,431.22 × 10,561.26
  4. Step 4: Simplify right side
    30,287.46x = 479,810,926.54
  5. Step 5: Solve for x
    x = 479,810,926.54/30,287.46
  6. Step 6: Final answer
    x = 15,841.90

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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.