Home / 34,565.40-51,841.98-12,378.96

Finding the Fourth Proportional to 34,565.40, 51,841.98 and 12,378.96

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Solution

The fourth proportional to 34,565.40, 51,841.98 and 12,378.96 is: 18,566.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,565.40 : 51,841.98 = 12,378.96 : x
  2. Step 2: Convert to fraction form
    34,565.40/51,841.98 = 12,378.96/x
  3. Step 3: Cross multiply
    34,565.40x = 51,841.98 × 12,378.96
  4. Step 4: Simplify right side
    34,565.40x = 641,749,796.74
  5. Step 5: Solve for x
    x = 641,749,796.74/34,565.40
  6. Step 6: Final answer
    x = 18,566.25

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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.