Home / 30,035.09-45,071.16-15,254.61

Finding the Fourth Proportional to 30,035.09, 45,071.16 and 15,254.61

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Solution

The fourth proportional to 30,035.09, 45,071.16 and 15,254.61 is: 22,891.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,035.09 : 45,071.16 = 15,254.61 : x
  2. Step 2: Convert to fraction form
    30,035.09/45,071.16 = 15,254.61/x
  3. Step 3: Cross multiply
    30,035.09x = 45,071.16 × 15,254.61
  4. Step 4: Simplify right side
    30,035.09x = 687,542,995.78
  5. Step 5: Solve for x
    x = 687,542,995.78/30,035.09
  6. Step 6: Final answer
    x = 22,891.33

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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.