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Finding the Fourth Proportional to 44,677.77, 61,669.16 and 28,762.22

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Solution

The fourth proportional to 44,677.77, 61,669.16 and 28,762.22 is: 39,700.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,677.77 : 61,669.16 = 28,762.22 : x
  2. Step 2: Convert to fraction form
    44,677.77/61,669.16 = 28,762.22/x
  3. Step 3: Cross multiply
    44,677.77x = 61,669.16 × 28,762.22
  4. Step 4: Simplify right side
    44,677.77x = 1,773,741,914.99
  5. Step 5: Solve for x
    x = 1,773,741,914.99/44,677.77
  6. Step 6: Final answer
    x = 39,700.77

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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.