Home / 37,030.60-55,545.86-12,070.64

Finding the Fourth Proportional to 37,030.60, 55,545.86 and 12,070.64

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Solution

The fourth proportional to 37,030.60, 55,545.86 and 12,070.64 is: 18,105.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,030.60 : 55,545.86 = 12,070.64 : x
  2. Step 2: Convert to fraction form
    37,030.60/55,545.86 = 12,070.64/x
  3. Step 3: Cross multiply
    37,030.60x = 55,545.86 × 12,070.64
  4. Step 4: Simplify right side
    37,030.60x = 670,474,079.55
  5. Step 5: Solve for x
    x = 670,474,079.55/37,030.60
  6. Step 6: Final answer
    x = 18,105.95

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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.