Home / 30,112.37-45,134.72-14,304.47

Finding the Fourth Proportional to 30,112.37, 45,134.72 and 14,304.47

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Solution

The fourth proportional to 30,112.37, 45,134.72 and 14,304.47 is: 21,440.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,112.37 : 45,134.72 = 14,304.47 : x
  2. Step 2: Convert to fraction form
    30,112.37/45,134.72 = 14,304.47/x
  3. Step 3: Cross multiply
    30,112.37x = 45,134.72 × 14,304.47
  4. Step 4: Simplify right side
    30,112.37x = 645,627,951.00
  5. Step 5: Solve for x
    x = 645,627,951.00/30,112.37
  6. Step 6: Final answer
    x = 21,440.63

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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.