Home / 36,203.55-54,271.29-18,668.67

Finding the Fourth Proportional to 36,203.55, 54,271.29 and 18,668.67

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Solution

The fourth proportional to 36,203.55, 54,271.29 and 18,668.67 is: 27,985.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,203.55 : 54,271.29 = 18,668.67 : x
  2. Step 2: Convert to fraction form
    36,203.55/54,271.29 = 18,668.67/x
  3. Step 3: Cross multiply
    36,203.55x = 54,271.29 × 18,668.67
  4. Step 4: Simplify right side
    36,203.55x = 1,013,172,803.48
  5. Step 5: Solve for x
    x = 1,013,172,803.48/36,203.55
  6. Step 6: Final answer
    x = 27,985.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.