Home / 61,431.75-84,783.96-34,579.47

Finding the Fourth Proportional to 61,431.75, 84,783.96 and 34,579.47

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Solution

The fourth proportional to 61,431.75, 84,783.96 and 34,579.47 is: 47,724.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,431.75 : 84,783.96 = 34,579.47 : x
  2. Step 2: Convert to fraction form
    61,431.75/84,783.96 = 34,579.47/x
  3. Step 3: Cross multiply
    61,431.75x = 84,783.96 × 34,579.47
  4. Step 4: Simplify right side
    61,431.75x = 2,931,784,401.30
  5. Step 5: Solve for x
    x = 2,931,784,401.30/61,431.75
  6. Step 6: Final answer
    x = 47,724.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.