Home / 35,751.06-49,343.64-20,646.18

Finding the Fourth Proportional to 35,751.06, 49,343.64 and 20,646.18

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Solution

The fourth proportional to 35,751.06, 49,343.64 and 20,646.18 is: 28,495.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,751.06 : 49,343.64 = 20,646.18 : x
  2. Step 2: Convert to fraction form
    35,751.06/49,343.64 = 20,646.18/x
  3. Step 3: Cross multiply
    35,751.06x = 49,343.64 × 20,646.18
  4. Step 4: Simplify right side
    35,751.06x = 1,018,757,673.30
  5. Step 5: Solve for x
    x = 1,018,757,673.30/35,751.06
  6. Step 6: Final answer
    x = 28,495.87

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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.