Home / 30,658.50-45,998.85-15,087.06

Finding the Fourth Proportional to 30,658.50, 45,998.85 and 15,087.06

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Solution

The fourth proportional to 30,658.50, 45,998.85 and 15,087.06 is: 22,636.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,658.50 : 45,998.85 = 15,087.06 : x
  2. Step 2: Convert to fraction form
    30,658.50/45,998.85 = 15,087.06/x
  3. Step 3: Cross multiply
    30,658.50x = 45,998.85 × 15,087.06
  4. Step 4: Simplify right side
    30,658.50x = 693,987,409.88
  5. Step 5: Solve for x
    x = 693,987,409.88/30,658.50
  6. Step 6: Final answer
    x = 22,636.05

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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.