Home / 30,023.13-45,019.47-10,025.43

Finding the Fourth Proportional to 30,023.13, 45,019.47 and 10,025.43

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Solution

The fourth proportional to 30,023.13, 45,019.47 and 10,025.43 is: 15,033.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,023.13 : 45,019.47 = 10,025.43 : x
  2. Step 2: Convert to fraction form
    30,023.13/45,019.47 = 10,025.43/x
  3. Step 3: Cross multiply
    30,023.13x = 45,019.47 × 10,025.43
  4. Step 4: Simplify right side
    30,023.13x = 451,339,545.12
  5. Step 5: Solve for x
    x = 451,339,545.12/30,023.13
  6. Step 6: Final answer
    x = 15,033.06

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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.