Home / 43,594.13-65,391.80-12,429.38

Finding the Fourth Proportional to 43,594.13, 65,391.80 and 12,429.38

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Solution

The fourth proportional to 43,594.13, 65,391.80 and 12,429.38 is: 18,644.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,594.13 : 65,391.80 = 12,429.38 : x
  2. Step 2: Convert to fraction form
    43,594.13/65,391.80 = 12,429.38/x
  3. Step 3: Cross multiply
    43,594.13x = 65,391.80 × 12,429.38
  4. Step 4: Simplify right side
    43,594.13x = 812,779,141.98
  5. Step 5: Solve for x
    x = 812,779,141.98/43,594.13
  6. Step 6: Final answer
    x = 18,644.24

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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.