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Finding the Fourth Proportional to 44,829, 61,843.26 and 28,918.58

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Solution

The fourth proportional to 44,829, 61,843.26 and 28,918.58 is: 39,894.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,829 : 61,843.26 = 28,918.58 : x
  2. Step 2: Convert to fraction form
    44,829/61,843.26 = 28,918.58/x
  3. Step 3: Cross multiply
    44,829x = 61,843.26 × 28,918.58
  4. Step 4: Simplify right side
    44,829x = 1,788,419,261.77
  5. Step 5: Solve for x
    x = 1,788,419,261.77/44,829
  6. Step 6: Final answer
    x = 39,894.25

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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.