Home / 36,971.31-55,459.08-12,013.49

Finding the Fourth Proportional to 36,971.31, 55,459.08 and 12,013.49

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Solution

The fourth proportional to 36,971.31, 55,459.08 and 12,013.49 is: 18,020.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,971.31 : 55,459.08 = 12,013.49 : x
  2. Step 2: Convert to fraction form
    36,971.31/55,459.08 = 12,013.49/x
  3. Step 3: Cross multiply
    36,971.31x = 55,459.08 × 12,013.49
  4. Step 4: Simplify right side
    36,971.31x = 666,257,241.64
  5. Step 5: Solve for x
    x = 666,257,241.64/36,971.31
  6. Step 6: Final answer
    x = 18,020.92

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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.