Home / 30,494.82-45,784.21-15,512.08

Finding the Fourth Proportional to 30,494.82, 45,784.21 and 15,512.08

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Solution

The fourth proportional to 30,494.82, 45,784.21 and 15,512.08 is: 23,289.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,494.82 : 45,784.21 = 15,512.08 : x
  2. Step 2: Convert to fraction form
    30,494.82/45,784.21 = 15,512.08/x
  3. Step 3: Cross multiply
    30,494.82x = 45,784.21 × 15,512.08
  4. Step 4: Simplify right side
    30,494.82x = 710,208,250.70
  5. Step 5: Solve for x
    x = 710,208,250.70/30,494.82
  6. Step 6: Final answer
    x = 23,289.47

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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.