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Finding the Fourth Proportional to 61,089.84, 91,605.80 and 23,667.44

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Solution

The fourth proportional to 61,089.84, 91,605.80 and 23,667.44 is: 35,489.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,089.84 : 91,605.80 = 23,667.44 : x
  2. Step 2: Convert to fraction form
    61,089.84/91,605.80 = 23,667.44/x
  3. Step 3: Cross multiply
    61,089.84x = 91,605.80 × 23,667.44
  4. Step 4: Simplify right side
    61,089.84x = 2,168,074,775.15
  5. Step 5: Solve for x
    x = 2,168,074,775.15/61,089.84
  6. Step 6: Final answer
    x = 35,489.94

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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.