Home / 37,038.26-55,545.86-12,408.50

Finding the Fourth Proportional to 37,038.26, 55,545.86 and 12,408.50

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Solution

The fourth proportional to 37,038.26, 55,545.86 and 12,408.50 is: 18,608.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,038.26 : 55,545.86 = 12,408.50 : x
  2. Step 2: Convert to fraction form
    37,038.26/55,545.86 = 12,408.50/x
  3. Step 3: Cross multiply
    37,038.26x = 55,545.86 × 12,408.50
  4. Step 4: Simplify right side
    37,038.26x = 689,240,803.81
  5. Step 5: Solve for x
    x = 689,240,803.81/37,038.26
  6. Step 6: Final answer
    x = 18,608.89

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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.