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Finding the Fourth Proportional to 61,422.30, 84,736.53 and 44,436.60

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Solution

The fourth proportional to 61,422.30, 84,736.53 and 44,436.60 is: 61,303.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,422.30 : 84,736.53 = 44,436.60 : x
  2. Step 2: Convert to fraction form
    61,422.30/84,736.53 = 44,436.60/x
  3. Step 3: Cross multiply
    61,422.30x = 84,736.53 × 44,436.60
  4. Step 4: Simplify right side
    61,422.30x = 3,765,403,289.00
  5. Step 5: Solve for x
    x = 3,765,403,289.00/61,422.30
  6. Step 6: Final answer
    x = 61,303.52

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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.