Home / 39,384.32-54,353.58-22,393.89

Finding the Fourth Proportional to 39,384.32, 54,353.58 and 22,393.89

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Solution

The fourth proportional to 39,384.32, 54,353.58 and 22,393.89 is: 30,905.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,384.32 : 54,353.58 = 22,393.89 : x
  2. Step 2: Convert to fraction form
    39,384.32/54,353.58 = 22,393.89/x
  3. Step 3: Cross multiply
    39,384.32x = 54,353.58 × 22,393.89
  4. Step 4: Simplify right side
    39,384.32x = 1,217,188,091.63
  5. Step 5: Solve for x
    x = 1,217,188,091.63/39,384.32
  6. Step 6: Final answer
    x = 30,905.40

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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.