Home / 38,396.34-52,985.27-21,402.44

Finding the Fourth Proportional to 38,396.34, 52,985.27 and 21,402.44

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Solution

The fourth proportional to 38,396.34, 52,985.27 and 21,402.44 is: 29,534.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,396.34 : 52,985.27 = 21,402.44 : x
  2. Step 2: Convert to fraction form
    38,396.34/52,985.27 = 21,402.44/x
  3. Step 3: Cross multiply
    38,396.34x = 52,985.27 × 21,402.44
  4. Step 4: Simplify right side
    38,396.34x = 1,134,013,690.12
  5. Step 5: Solve for x
    x = 1,134,013,690.12/38,396.34
  6. Step 6: Final answer
    x = 29,534.42

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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.