Home / 35,323.94-48,725.40-20,974.02

Finding the Fourth Proportional to 35,323.94, 48,725.40 and 20,974.02

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Solution

The fourth proportional to 35,323.94, 48,725.40 and 20,974.02 is: 28,931.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,323.94 : 48,725.40 = 20,974.02 : x
  2. Step 2: Convert to fraction form
    35,323.94/48,725.40 = 20,974.02/x
  3. Step 3: Cross multiply
    35,323.94x = 48,725.40 × 20,974.02
  4. Step 4: Simplify right side
    35,323.94x = 1,021,967,514.11
  5. Step 5: Solve for x
    x = 1,021,967,514.11/35,323.94
  6. Step 6: Final answer
    x = 28,931.30

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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.