Home / 38,395.52-52,990.14-21,401.32

Finding the Fourth Proportional to 38,395.52, 52,990.14 and 21,401.32

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Solution

The fourth proportional to 38,395.52, 52,990.14 and 21,401.32 is: 29,536.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,395.52 : 52,990.14 = 21,401.32 : x
  2. Step 2: Convert to fraction form
    38,395.52/52,990.14 = 21,401.32/x
  3. Step 3: Cross multiply
    38,395.52x = 52,990.14 × 21,401.32
  4. Step 4: Simplify right side
    38,395.52x = 1,134,058,942.98
  5. Step 5: Solve for x
    x = 1,134,058,942.98/38,395.52
  6. Step 6: Final answer
    x = 29,536.23

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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.