Home / 35,152.92-48,511.31-21,721.10

Finding the Fourth Proportional to 35,152.92, 48,511.31 and 21,721.10

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Solution

The fourth proportional to 35,152.92, 48,511.31 and 21,721.10 is: 29,975.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,152.92 : 48,511.31 = 21,721.10 : x
  2. Step 2: Convert to fraction form
    35,152.92/48,511.31 = 21,721.10/x
  3. Step 3: Cross multiply
    35,152.92x = 48,511.31 × 21,721.10
  4. Step 4: Simplify right side
    35,152.92x = 1,053,718,664.48
  5. Step 5: Solve for x
    x = 1,053,718,664.48/35,152.92
  6. Step 6: Final answer
    x = 29,975.28

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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.