Home / 43,658.40-65,473.93-28,945.36

Finding the Fourth Proportional to 43,658.40, 65,473.93 and 28,945.36

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Solution

The fourth proportional to 43,658.40, 65,473.93 and 28,945.36 is: 43,408.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,658.40 : 65,473.93 = 28,945.36 : x
  2. Step 2: Convert to fraction form
    43,658.40/65,473.93 = 28,945.36/x
  3. Step 3: Cross multiply
    43,658.40x = 65,473.93 × 28,945.36
  4. Step 4: Simplify right side
    43,658.40x = 1,895,166,474.46
  5. Step 5: Solve for x
    x = 1,895,166,474.46/43,658.40
  6. Step 6: Final answer
    x = 43,408.98

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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.