Home / 30,179.88-45,280.62-15,392.52

Finding the Fourth Proportional to 30,179.88, 45,280.62 and 15,392.52

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Solution

The fourth proportional to 30,179.88, 45,280.62 and 15,392.52 is: 23,094.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,179.88 : 45,280.62 = 15,392.52 : x
  2. Step 2: Convert to fraction form
    30,179.88/45,280.62 = 15,392.52/x
  3. Step 3: Cross multiply
    30,179.88x = 45,280.62 × 15,392.52
  4. Step 4: Simplify right side
    30,179.88x = 696,982,848.96
  5. Step 5: Solve for x
    x = 696,982,848.96/30,179.88
  6. Step 6: Final answer
    x = 23,094.29

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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.