Home / 37,578.51-56,370.73-12,618.47

Finding the Fourth Proportional to 37,578.51, 56,370.73 and 12,618.47

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Solution

The fourth proportional to 37,578.51, 56,370.73 and 12,618.47 is: 18,928.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,578.51 : 56,370.73 = 12,618.47 : x
  2. Step 2: Convert to fraction form
    37,578.51/56,370.73 = 12,618.47/x
  3. Step 3: Cross multiply
    37,578.51x = 56,370.73 × 12,618.47
  4. Step 4: Simplify right side
    37,578.51x = 711,312,051.98
  5. Step 5: Solve for x
    x = 711,312,051.98/37,578.51
  6. Step 6: Final answer
    x = 18,928.69

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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.