Home / 30,013.58-45,045.63-15,016.21

Finding the Fourth Proportional to 30,013.58, 45,045.63 and 15,016.21

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Solution

The fourth proportional to 30,013.58, 45,045.63 and 15,016.21 is: 22,536.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,013.58 : 45,045.63 = 15,016.21 : x
  2. Step 2: Convert to fraction form
    30,013.58/45,045.63 = 15,016.21/x
  3. Step 3: Cross multiply
    30,013.58x = 45,045.63 × 15,016.21
  4. Step 4: Simplify right side
    30,013.58x = 676,414,527.05
  5. Step 5: Solve for x
    x = 676,414,527.05/30,013.58
  6. Step 6: Final answer
    x = 22,536.95

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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.