Home / 37,402.96-51,616.36-20,636.56

Finding the Fourth Proportional to 37,402.96, 51,616.36 and 20,636.56

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Solution

The fourth proportional to 37,402.96, 51,616.36 and 20,636.56 is: 28,478.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,402.96 : 51,616.36 = 20,636.56 : x
  2. Step 2: Convert to fraction form
    37,402.96/51,616.36 = 20,636.56/x
  3. Step 3: Cross multiply
    37,402.96x = 51,616.36 × 20,636.56
  4. Step 4: Simplify right side
    37,402.96x = 1,065,184,110.12
  5. Step 5: Solve for x
    x = 1,065,184,110.12/37,402.96
  6. Step 6: Final answer
    x = 28,478.60

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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.