Home / 30,110.85-45,194.04-15,330.42

Finding the Fourth Proportional to 30,110.85, 45,194.04 and 15,330.42

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Solution

The fourth proportional to 30,110.85, 45,194.04 and 15,330.42 is: 23,009.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,110.85 : 45,194.04 = 15,330.42 : x
  2. Step 2: Convert to fraction form
    30,110.85/45,194.04 = 15,330.42/x
  3. Step 3: Cross multiply
    30,110.85x = 45,194.04 × 15,330.42
  4. Step 4: Simplify right side
    30,110.85x = 692,843,614.70
  5. Step 5: Solve for x
    x = 692,843,614.70/30,110.85
  6. Step 6: Final answer
    x = 23,009.77

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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.