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Finding the Fourth Proportional to 61,532, 84,914.20 and 33,237.69

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Solution

The fourth proportional to 61,532, 84,914.20 and 33,237.69 is: 45,868.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,532 : 84,914.20 = 33,237.69 : x
  2. Step 2: Convert to fraction form
    61,532/84,914.20 = 33,237.69/x
  3. Step 3: Cross multiply
    61,532x = 84,914.20 × 33,237.69
  4. Step 4: Simplify right side
    61,532x = 2,822,351,690.01
  5. Step 5: Solve for x
    x = 2,822,351,690.01/61,532
  6. Step 6: Final answer
    x = 45,868.03

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1.5x scale

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.