Home / 35,810.68-49,419.40-19,896.60

Finding the Fourth Proportional to 35,810.68, 49,419.40 and 19,896.60

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Solution

The fourth proportional to 35,810.68, 49,419.40 and 19,896.60 is: 27,457.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,810.68 : 49,419.40 = 19,896.60 : x
  2. Step 2: Convert to fraction form
    35,810.68/49,419.40 = 19,896.60/x
  3. Step 3: Cross multiply
    35,810.68x = 49,419.40 × 19,896.60
  4. Step 4: Simplify right side
    35,810.68x = 983,278,034.04
  5. Step 5: Solve for x
    x = 983,278,034.04/35,810.68
  6. Step 6: Final answer
    x = 27,457.68

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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.