Home / 38,743.40-53,491.46-29,774.60

Finding the Fourth Proportional to 38,743.40, 53,491.46 and 29,774.60

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Solution

The fourth proportional to 38,743.40, 53,491.46 and 29,774.60 is: 41,108.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,743.40 : 53,491.46 = 29,774.60 : x
  2. Step 2: Convert to fraction form
    38,743.40/53,491.46 = 29,774.60/x
  3. Step 3: Cross multiply
    38,743.40x = 53,491.46 × 29,774.60
  4. Step 4: Simplify right side
    38,743.40x = 1,592,686,824.92
  5. Step 5: Solve for x
    x = 1,592,686,824.92/38,743.40
  6. Step 6: Final answer
    x = 41,108.60

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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.