Home / 30,023.88-45,019.89-15,014.58

Finding the Fourth Proportional to 30,023.88, 45,019.89 and 15,014.58

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Solution

The fourth proportional to 30,023.88, 45,019.89 and 15,014.58 is: 22,513.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,023.88 : 45,019.89 = 15,014.58 : x
  2. Step 2: Convert to fraction form
    30,023.88/45,019.89 = 15,014.58/x
  3. Step 3: Cross multiply
    30,023.88x = 45,019.89 × 15,014.58
  4. Step 4: Simplify right side
    30,023.88x = 675,954,740.00
  5. Step 5: Solve for x
    x = 675,954,740.00/30,023.88
  6. Step 6: Final answer
    x = 22,513.90

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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.