Home / 40,565.90-56,267.33-39,486.98

Finding the Fourth Proportional to 40,565.90, 56,267.33 and 39,486.98

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Solution

The fourth proportional to 40,565.90, 56,267.33 and 39,486.98 is: 54,770.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,565.90 : 56,267.33 = 39,486.98 : x
  2. Step 2: Convert to fraction form
    40,565.90/56,267.33 = 39,486.98/x
  3. Step 3: Cross multiply
    40,565.90x = 56,267.33 × 39,486.98
  4. Step 4: Simplify right side
    40,565.90x = 2,221,826,751.74
  5. Step 5: Solve for x
    x = 2,221,826,751.74/40,565.90
  6. Step 6: Final answer
    x = 54,770.81

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.