Home / 37,720.74-52,048.84-21,802.12

Finding the Fourth Proportional to 37,720.74, 52,048.84 and 21,802.12

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Solution

The fourth proportional to 37,720.74, 52,048.84 and 21,802.12 is: 30,083.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,720.74 : 52,048.84 = 21,802.12 : x
  2. Step 2: Convert to fraction form
    37,720.74/52,048.84 = 21,802.12/x
  3. Step 3: Cross multiply
    37,720.74x = 52,048.84 × 21,802.12
  4. Step 4: Simplify right side
    37,720.74x = 1,134,775,055.54
  5. Step 5: Solve for x
    x = 1,134,775,055.54/37,720.74
  6. Step 6: Final answer
    x = 30,083.58

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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.