Home / 38,328.60-52,893.38-21,561.60

Finding the Fourth Proportional to 38,328.60, 52,893.38 and 21,561.60

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Solution

The fourth proportional to 38,328.60, 52,893.38 and 21,561.60 is: 29,754.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,328.60 : 52,893.38 = 21,561.60 : x
  2. Step 2: Convert to fraction form
    38,328.60/52,893.38 = 21,561.60/x
  3. Step 3: Cross multiply
    38,328.60x = 52,893.38 × 21,561.60
  4. Step 4: Simplify right side
    38,328.60x = 1,140,465,902.21
  5. Step 5: Solve for x
    x = 1,140,465,902.21/38,328.60
  6. Step 6: Final answer
    x = 29,754.96

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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.