Home / 48,496.31-66,934.10-30,355.45

Finding the Fourth Proportional to 48,496.31, 66,934.10 and 30,355.45

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Solution

The fourth proportional to 48,496.31, 66,934.10 and 30,355.45 is: 41,896.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,496.31 : 66,934.10 = 30,355.45 : x
  2. Step 2: Convert to fraction form
    48,496.31/66,934.10 = 30,355.45/x
  3. Step 3: Cross multiply
    48,496.31x = 66,934.10 × 30,355.45
  4. Step 4: Simplify right side
    48,496.31x = 2,031,814,725.85
  5. Step 5: Solve for x
    x = 2,031,814,725.85/48,496.31
  6. Step 6: Final answer
    x = 41,896.27

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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.