Home / 30,087.40-45,043.60-22,330.84

Finding the Fourth Proportional to 30,087.40, 45,043.60 and 22,330.84

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Solution

The fourth proportional to 30,087.40, 45,043.60 and 22,330.84 is: 33,431.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,087.40 : 45,043.60 = 22,330.84 : x
  2. Step 2: Convert to fraction form
    30,087.40/45,043.60 = 22,330.84/x
  3. Step 3: Cross multiply
    30,087.40x = 45,043.60 × 22,330.84
  4. Step 4: Simplify right side
    30,087.40x = 1,005,861,424.62
  5. Step 5: Solve for x
    x = 1,005,861,424.62/30,087.40
  6. Step 6: Final answer
    x = 33,431.32

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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.