Home / 30,104.46-45,157.70-14,301.36

Finding the Fourth Proportional to 30,104.46, 45,157.70 and 14,301.36

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Solution

The fourth proportional to 30,104.46, 45,157.70 and 14,301.36 is: 21,452.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,104.46 : 45,157.70 = 14,301.36 : x
  2. Step 2: Convert to fraction form
    30,104.46/45,157.70 = 14,301.36/x
  3. Step 3: Cross multiply
    30,104.46x = 45,157.70 × 14,301.36
  4. Step 4: Simplify right side
    30,104.46x = 645,816,560.23
  5. Step 5: Solve for x
    x = 645,816,560.23/30,104.46
  6. Step 6: Final answer
    x = 21,452.52

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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.