Home / 30,644.10-45,976.05-15,050.79

Finding the Fourth Proportional to 30,644.10, 45,976.05 and 15,050.79

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Solution

The fourth proportional to 30,644.10, 45,976.05 and 15,050.79 is: 22,581.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,644.10 : 45,976.05 = 15,050.79 : x
  2. Step 2: Convert to fraction form
    30,644.10/45,976.05 = 15,050.79/x
  3. Step 3: Cross multiply
    30,644.10x = 45,976.05 × 15,050.79
  4. Step 4: Simplify right side
    30,644.10x = 691,975,873.58
  5. Step 5: Solve for x
    x = 691,975,873.58/30,644.10
  6. Step 6: Final answer
    x = 22,581.05

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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.