Home / 38,778.93-53,520.75-23,680.35

Finding the Fourth Proportional to 38,778.93, 53,520.75 and 23,680.35

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Solution

The fourth proportional to 38,778.93, 53,520.75 and 23,680.35 is: 32,682.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,778.93 : 53,520.75 = 23,680.35 : x
  2. Step 2: Convert to fraction form
    38,778.93/53,520.75 = 23,680.35/x
  3. Step 3: Cross multiply
    38,778.93x = 53,520.75 × 23,680.35
  4. Step 4: Simplify right side
    38,778.93x = 1,267,390,092.26
  5. Step 5: Solve for x
    x = 1,267,390,092.26/38,778.93
  6. Step 6: Final answer
    x = 32,682.44

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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.