Home / 37,038.55-55,566.66-12,078.62

Finding the Fourth Proportional to 37,038.55, 55,566.66 and 12,078.62

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Solution

The fourth proportional to 37,038.55, 55,566.66 and 12,078.62 is: 18,120.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,038.55 : 55,566.66 = 12,078.62 : x
  2. Step 2: Convert to fraction form
    37,038.55/55,566.66 = 12,078.62/x
  3. Step 3: Cross multiply
    37,038.55x = 55,566.66 × 12,078.62
  4. Step 4: Simplify right side
    37,038.55x = 671,168,859.21
  5. Step 5: Solve for x
    x = 671,168,859.21/37,038.55
  6. Step 6: Final answer
    x = 18,120.82

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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.