Home / 37,121.04-55,683.32-12,162.51

Finding the Fourth Proportional to 37,121.04, 55,683.32 and 12,162.51

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Solution

The fourth proportional to 37,121.04, 55,683.32 and 12,162.51 is: 18,244.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,121.04 : 55,683.32 = 12,162.51 : x
  2. Step 2: Convert to fraction form
    37,121.04/55,683.32 = 12,162.51/x
  3. Step 3: Cross multiply
    37,121.04x = 55,683.32 × 12,162.51
  4. Step 4: Simplify right side
    37,121.04x = 677,248,875.52
  5. Step 5: Solve for x
    x = 677,248,875.52/37,121.04
  6. Step 6: Final answer
    x = 18,244.34

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1.5x scale

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.