Home / 34,997.47-48,297.16-20,858.51

Finding the Fourth Proportional to 34,997.47, 48,297.16 and 20,858.51

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Solution

The fourth proportional to 34,997.47, 48,297.16 and 20,858.51 is: 28,785.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,997.47 : 48,297.16 = 20,858.51 : x
  2. Step 2: Convert to fraction form
    34,997.47/48,297.16 = 20,858.51/x
  3. Step 3: Cross multiply
    34,997.47x = 48,297.16 × 20,858.51
  4. Step 4: Simplify right side
    34,997.47x = 1,007,406,941.65
  5. Step 5: Solve for x
    x = 1,007,406,941.65/34,997.47
  6. Step 6: Final answer
    x = 28,785.14

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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.