Home / 38,975.66-53,786.90-23,657.78

Finding the Fourth Proportional to 38,975.66, 53,786.90 and 23,657.78

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Solution

The fourth proportional to 38,975.66, 53,786.90 and 23,657.78 is: 32,648.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,975.66 : 53,786.90 = 23,657.78 : x
  2. Step 2: Convert to fraction form
    38,975.66/53,786.90 = 23,657.78/x
  3. Step 3: Cross multiply
    38,975.66x = 53,786.90 × 23,657.78
  4. Step 4: Simplify right side
    38,975.66x = 1,272,478,647.08
  5. Step 5: Solve for x
    x = 1,272,478,647.08/38,975.66
  6. Step 6: Final answer
    x = 32,648.03

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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.