Home / 33,170.68-45,772.86-21,070.24

Finding the Fourth Proportional to 33,170.68, 45,772.86 and 21,070.24

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Solution

The fourth proportional to 33,170.68, 45,772.86 and 21,070.24 is: 29,075.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,170.68 : 45,772.86 = 21,070.24 : x
  2. Step 2: Convert to fraction form
    33,170.68/45,772.86 = 21,070.24/x
  3. Step 3: Cross multiply
    33,170.68x = 45,772.86 × 21,070.24
  4. Step 4: Simplify right side
    33,170.68x = 964,445,145.69
  5. Step 5: Solve for x
    x = 964,445,145.69/33,170.68
  6. Step 6: Final answer
    x = 29,075.23

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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.