Home / 40,003.84-55,208.60-23,013.60

Finding the Fourth Proportional to 40,003.84, 55,208.60 and 23,013.60

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Solution

The fourth proportional to 40,003.84, 55,208.60 and 23,013.60 is: 31,760.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,003.84 : 55,208.60 = 23,013.60 : x
  2. Step 2: Convert to fraction form
    40,003.84/55,208.60 = 23,013.60/x
  3. Step 3: Cross multiply
    40,003.84x = 55,208.60 × 23,013.60
  4. Step 4: Simplify right side
    40,003.84x = 1,270,548,636.96
  5. Step 5: Solve for x
    x = 1,270,548,636.96/40,003.84
  6. Step 6: Final answer
    x = 31,760.67

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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.