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Finding the Fourth Proportional to 61,636.61, 85,058.47 and 33,342.29

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Solution

The fourth proportional to 61,636.61, 85,058.47 and 33,342.29 is: 46,012.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,636.61 : 85,058.47 = 33,342.29 : x
  2. Step 2: Convert to fraction form
    61,636.61/85,058.47 = 33,342.29/x
  3. Step 3: Cross multiply
    61,636.61x = 85,058.47 × 33,342.29
  4. Step 4: Simplify right side
    61,636.61x = 2,836,044,173.70
  5. Step 5: Solve for x
    x = 2,836,044,173.70/61,636.61
  6. Step 6: Final answer
    x = 46,012.33

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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.