Home / 37,658.03-51,969.57-20,663.01

Finding the Fourth Proportional to 37,658.03, 51,969.57 and 20,663.01

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Solution

The fourth proportional to 37,658.03, 51,969.57 and 20,663.01 is: 28,515.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,658.03 : 51,969.57 = 20,663.01 : x
  2. Step 2: Convert to fraction form
    37,658.03/51,969.57 = 20,663.01/x
  3. Step 3: Cross multiply
    37,658.03x = 51,969.57 × 20,663.01
  4. Step 4: Simplify right side
    37,658.03x = 1,073,847,667.12
  5. Step 5: Solve for x
    x = 1,073,847,667.12/37,658.03
  6. Step 6: Final answer
    x = 28,515.77

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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.