Home / 74,425.21-111,641.46-30,046.42

Finding the Fourth Proportional to 74,425.21, 111,641.46 and 30,046.42

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Solution

The fourth proportional to 74,425.21, 111,641.46 and 30,046.42 is: 45,071.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,425.21 : 111,641.46 = 30,046.42 : x
  2. Step 2: Convert to fraction form
    74,425.21/111,641.46 = 30,046.42/x
  3. Step 3: Cross multiply
    74,425.21x = 111,641.46 × 30,046.42
  4. Step 4: Simplify right side
    74,425.21x = 3,354,426,046.34
  5. Step 5: Solve for x
    x = 3,354,426,046.34/74,425.21
  6. Step 6: Final answer
    x = 45,071.10

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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.