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Finding the Fourth Proportional to 57,804.33, 79,773 and 35,139.63

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Solution

The fourth proportional to 57,804.33, 79,773 and 35,139.63 is: 48,494.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,804.33 : 79,773 = 35,139.63 : x
  2. Step 2: Convert to fraction form
    57,804.33/79,773 = 35,139.63/x
  3. Step 3: Cross multiply
    57,804.33x = 79,773 × 35,139.63
  4. Step 4: Simplify right side
    57,804.33x = 2,803,193,703.99
  5. Step 5: Solve for x
    x = 2,803,193,703.99/57,804.33
  6. Step 6: Final answer
    x = 48,494.53

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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.