Home / 37,191.90-51,324.66-20,196.01

Finding the Fourth Proportional to 37,191.90, 51,324.66 and 20,196.01

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Solution

The fourth proportional to 37,191.90, 51,324.66 and 20,196.01 is: 27,870.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,191.90 : 51,324.66 = 20,196.01 : x
  2. Step 2: Convert to fraction form
    37,191.90/51,324.66 = 20,196.01/x
  3. Step 3: Cross multiply
    37,191.90x = 51,324.66 × 20,196.01
  4. Step 4: Simplify right side
    37,191.90x = 1,036,552,989.00
  5. Step 5: Solve for x
    x = 1,036,552,989.00/37,191.90
  6. Step 6: Final answer
    x = 27,870.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.