Home / 30,622.71-45,853.86-20,059.50

Finding the Fourth Proportional to 30,622.71, 45,853.86 and 20,059.50

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Solution

The fourth proportional to 30,622.71, 45,853.86 and 20,059.50 is: 30,036.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,622.71 : 45,853.86 = 20,059.50 : x
  2. Step 2: Convert to fraction form
    30,622.71/45,853.86 = 20,059.50/x
  3. Step 3: Cross multiply
    30,622.71x = 45,853.86 × 20,059.50
  4. Step 4: Simplify right side
    30,622.71x = 919,805,504.67
  5. Step 5: Solve for x
    x = 919,805,504.67/30,622.71
  6. Step 6: Final answer
    x = 30,036.71

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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.