Home / 39,153.55-54,031.13-22,157.49

Finding the Fourth Proportional to 39,153.55, 54,031.13 and 22,157.49

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Solution

The fourth proportional to 39,153.55, 54,031.13 and 22,157.49 is: 30,576.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,153.55 : 54,031.13 = 22,157.49 : x
  2. Step 2: Convert to fraction form
    39,153.55/54,031.13 = 22,157.49/x
  3. Step 3: Cross multiply
    39,153.55x = 54,031.13 × 22,157.49
  4. Step 4: Simplify right side
    39,153.55x = 1,197,194,222.66
  5. Step 5: Solve for x
    x = 1,197,194,222.66/39,153.55
  6. Step 6: Final answer
    x = 30,576.90

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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.