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Finding the Fourth Proportional to 61,415.34, 84,753.10 and 35,939.22

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Solution

The fourth proportional to 61,415.34, 84,753.10 and 35,939.22 is: 49,596.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,415.34 : 84,753.10 = 35,939.22 : x
  2. Step 2: Convert to fraction form
    61,415.34/84,753.10 = 35,939.22/x
  3. Step 3: Cross multiply
    61,415.34x = 84,753.10 × 35,939.22
  4. Step 4: Simplify right side
    61,415.34x = 3,045,960,306.58
  5. Step 5: Solve for x
    x = 3,045,960,306.58/61,415.34
  6. Step 6: Final answer
    x = 49,596.08

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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.