Home / 37,056.65-55,590.30-12,090.51

Finding the Fourth Proportional to 37,056.65, 55,590.30 and 12,090.51

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Solution

The fourth proportional to 37,056.65, 55,590.30 and 12,090.51 is: 18,137.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,056.65 : 55,590.30 = 12,090.51 : x
  2. Step 2: Convert to fraction form
    37,056.65/55,590.30 = 12,090.51/x
  3. Step 3: Cross multiply
    37,056.65x = 55,590.30 × 12,090.51
  4. Step 4: Simplify right side
    37,056.65x = 672,115,078.05
  5. Step 5: Solve for x
    x = 672,115,078.05/37,056.65
  6. Step 6: Final answer
    x = 18,137.50

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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.