Home / 38,468.56-53,087.40-21,701.56

Finding the Fourth Proportional to 38,468.56, 53,087.40 and 21,701.56

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Solution

The fourth proportional to 38,468.56, 53,087.40 and 21,701.56 is: 29,948.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,468.56 : 53,087.40 = 21,701.56 : x
  2. Step 2: Convert to fraction form
    38,468.56/53,087.40 = 21,701.56/x
  3. Step 3: Cross multiply
    38,468.56x = 53,087.40 × 21,701.56
  4. Step 4: Simplify right side
    38,468.56x = 1,152,079,396.34
  5. Step 5: Solve for x
    x = 1,152,079,396.34/38,468.56
  6. Step 6: Final answer
    x = 29,948.60

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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.