Home / 38,278.14-52,822.19-21,282.36

Finding the Fourth Proportional to 38,278.14, 52,822.19 and 21,282.36

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Solution

The fourth proportional to 38,278.14, 52,822.19 and 21,282.36 is: 29,368.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,278.14 : 52,822.19 = 21,282.36 : x
  2. Step 2: Convert to fraction form
    38,278.14/52,822.19 = 21,282.36/x
  3. Step 3: Cross multiply
    38,278.14x = 52,822.19 × 21,282.36
  4. Step 4: Simplify right side
    38,278.14x = 1,124,180,863.57
  5. Step 5: Solve for x
    x = 1,124,180,863.57/38,278.14
  6. Step 6: Final answer
    x = 29,368.74

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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.