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Finding the Fourth Proportional to 61,011.62, 91,495.98 and 18,304.31

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Solution

The fourth proportional to 61,011.62, 91,495.98 and 18,304.31 is: 27,450.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,011.62 : 91,495.98 = 18,304.31 : x
  2. Step 2: Convert to fraction form
    61,011.62/91,495.98 = 18,304.31/x
  3. Step 3: Cross multiply
    61,011.62x = 91,495.98 × 18,304.31
  4. Step 4: Simplify right side
    61,011.62x = 1,674,770,690.15
  5. Step 5: Solve for x
    x = 1,674,770,690.15/61,011.62
  6. Step 6: Final answer
    x = 27,450.03

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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.