Home / 38,395.34-52,983.88-21,401.44

Finding the Fourth Proportional to 38,395.34, 52,983.88 and 21,401.44

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Solution

The fourth proportional to 38,395.34, 52,983.88 and 21,401.44 is: 29,533.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,395.34 : 52,983.88 = 21,401.44 : x
  2. Step 2: Convert to fraction form
    38,395.34/52,983.88 = 21,401.44/x
  3. Step 3: Cross multiply
    38,395.34x = 52,983.88 × 21,401.44
  4. Step 4: Simplify right side
    38,395.34x = 1,133,931,063.87
  5. Step 5: Solve for x
    x = 1,133,931,063.87/38,395.34
  6. Step 6: Final answer
    x = 29,533.04

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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.