Home / 40,009.68-55,211.48-22,104.84

Finding the Fourth Proportional to 40,009.68, 55,211.48 and 22,104.84

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Solution

The fourth proportional to 40,009.68, 55,211.48 and 22,104.84 is: 30,503.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,009.68 : 55,211.48 = 22,104.84 : x
  2. Step 2: Convert to fraction form
    40,009.68/55,211.48 = 22,104.84/x
  3. Step 3: Cross multiply
    40,009.68x = 55,211.48 × 22,104.84
  4. Step 4: Simplify right side
    40,009.68x = 1,220,440,931.56
  5. Step 5: Solve for x
    x = 1,220,440,931.56/40,009.68
  6. Step 6: Final answer
    x = 30,503.64

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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.