Home / 74,406.84-111,609.60-30,002.16

Finding the Fourth Proportional to 74,406.84, 111,609.60 and 30,002.16

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Solution

The fourth proportional to 74,406.84, 111,609.60 and 30,002.16 is: 45,002.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,406.84 : 111,609.60 = 30,002.16 : x
  2. Step 2: Convert to fraction form
    74,406.84/111,609.60 = 30,002.16/x
  3. Step 3: Cross multiply
    74,406.84x = 111,609.60 × 30,002.16
  4. Step 4: Simplify right side
    74,406.84x = 3,348,529,076.74
  5. Step 5: Solve for x
    x = 3,348,529,076.74/74,406.84
  6. Step 6: Final answer
    x = 45,002.97

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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.