Home / 38,915.48-53,703.42-23,007.80

Finding the Fourth Proportional to 38,915.48, 53,703.42 and 23,007.80

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Solution

The fourth proportional to 38,915.48, 53,703.42 and 23,007.80 is: 31,750.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,915.48 : 53,703.42 = 23,007.80 : x
  2. Step 2: Convert to fraction form
    38,915.48/53,703.42 = 23,007.80/x
  3. Step 3: Cross multiply
    38,915.48x = 53,703.42 × 23,007.80
  4. Step 4: Simplify right side
    38,915.48x = 1,235,597,546.68
  5. Step 5: Solve for x
    x = 1,235,597,546.68/38,915.48
  6. Step 6: Final answer
    x = 31,750.80

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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.