Home / 74,984.34-112,474.08-19,580.34

Finding the Fourth Proportional to 74,984.34, 112,474.08 and 19,580.34

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Solution

The fourth proportional to 74,984.34, 112,474.08 and 19,580.34 is: 29,369.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,984.34 : 112,474.08 = 19,580.34 : x
  2. Step 2: Convert to fraction form
    74,984.34/112,474.08 = 19,580.34/x
  3. Step 3: Cross multiply
    74,984.34x = 112,474.08 × 19,580.34
  4. Step 4: Simplify right side
    74,984.34x = 2,202,280,727.59
  5. Step 5: Solve for x
    x = 2,202,280,727.59/74,984.34
  6. Step 6: Final answer
    x = 29,369.88

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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.