Home / 35,683.12-49,244.88-19,769.68

Finding the Fourth Proportional to 35,683.12, 49,244.88 and 19,769.68

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Solution

The fourth proportional to 35,683.12, 49,244.88 and 19,769.68 is: 27,283.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,683.12 : 49,244.88 = 19,769.68 : x
  2. Step 2: Convert to fraction form
    35,683.12/49,244.88 = 19,769.68/x
  3. Step 3: Cross multiply
    35,683.12x = 49,244.88 × 19,769.68
  4. Step 4: Simplify right side
    35,683.12x = 973,555,519.24
  5. Step 5: Solve for x
    x = 973,555,519.24/35,683.12
  6. Step 6: Final answer
    x = 27,283.36

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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.