Home / 43,385.40-65,115.05-30,935.93

Finding the Fourth Proportional to 43,385.40, 65,115.05 and 30,935.93

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Solution

The fourth proportional to 43,385.40, 65,115.05 and 30,935.93 is: 46,430.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,385.40 : 65,115.05 = 30,935.93 : x
  2. Step 2: Convert to fraction form
    43,385.40/65,115.05 = 30,935.93/x
  3. Step 3: Cross multiply
    43,385.40x = 65,115.05 × 30,935.93
  4. Step 4: Simplify right side
    43,385.40x = 2,014,394,148.49
  5. Step 5: Solve for x
    x = 2,014,394,148.49/43,385.40
  6. Step 6: Final answer
    x = 46,430.23

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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.