Home / 43,403.82-65,038.40-30,102.77

Finding the Fourth Proportional to 43,403.82, 65,038.40 and 30,102.77

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Solution

The fourth proportional to 43,403.82, 65,038.40 and 30,102.77 is: 45,107.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,403.82 : 65,038.40 = 30,102.77 : x
  2. Step 2: Convert to fraction form
    43,403.82/65,038.40 = 30,102.77/x
  3. Step 3: Cross multiply
    43,403.82x = 65,038.40 × 30,102.77
  4. Step 4: Simplify right side
    43,403.82x = 1,957,835,520.66
  5. Step 5: Solve for x
    x = 1,957,835,520.66/43,403.82
  6. Step 6: Final answer
    x = 45,107.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.