Home / 74,599.40-111,899.10-30,227.60

Finding the Fourth Proportional to 74,599.40, 111,899.10 and 30,227.60

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Solution

The fourth proportional to 74,599.40, 111,899.10 and 30,227.60 is: 45,341.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,599.40 : 111,899.10 = 30,227.60 : x
  2. Step 2: Convert to fraction form
    74,599.40/111,899.10 = 30,227.60/x
  3. Step 3: Cross multiply
    74,599.40x = 111,899.10 × 30,227.60
  4. Step 4: Simplify right side
    74,599.40x = 3,382,441,235.16
  5. Step 5: Solve for x
    x = 3,382,441,235.16/74,599.40
  6. Step 6: Final answer
    x = 45,341.40

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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.