Home / 51,175.51-70,621.14-28,514.41

Finding the Fourth Proportional to 51,175.51, 70,621.14 and 28,514.41

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Solution

The fourth proportional to 51,175.51, 70,621.14 and 28,514.41 is: 39,349.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,175.51 : 70,621.14 = 28,514.41 : x
  2. Step 2: Convert to fraction form
    51,175.51/70,621.14 = 28,514.41/x
  3. Step 3: Cross multiply
    51,175.51x = 70,621.14 × 28,514.41
  4. Step 4: Simplify right side
    51,175.51x = 2,013,720,140.63
  5. Step 5: Solve for x
    x = 2,013,720,140.63/51,175.51
  6. Step 6: Final answer
    x = 39,349.29

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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.