Home / 36,628.12-50,543.40-20,712.52

Finding the Fourth Proportional to 36,628.12, 50,543.40 and 20,712.52

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Solution

The fourth proportional to 36,628.12, 50,543.40 and 20,712.52 is: 28,581.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,628.12 : 50,543.40 = 20,712.52 : x
  2. Step 2: Convert to fraction form
    36,628.12/50,543.40 = 20,712.52/x
  3. Step 3: Cross multiply
    36,628.12x = 50,543.40 × 20,712.52
  4. Step 4: Simplify right side
    36,628.12x = 1,046,881,183.37
  5. Step 5: Solve for x
    x = 1,046,881,183.37/36,628.12
  6. Step 6: Final answer
    x = 28,581.35

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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.