Home / 35,301.18-48,716.31-20,196.30

Finding the Fourth Proportional to 35,301.18, 48,716.31 and 20,196.30

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Solution

The fourth proportional to 35,301.18, 48,716.31 and 20,196.30 is: 27,871.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,301.18 : 48,716.31 = 20,196.30 : x
  2. Step 2: Convert to fraction form
    35,301.18/48,716.31 = 20,196.30/x
  3. Step 3: Cross multiply
    35,301.18x = 48,716.31 × 20,196.30
  4. Step 4: Simplify right side
    35,301.18x = 983,889,211.65
  5. Step 5: Solve for x
    x = 983,889,211.65/35,301.18
  6. Step 6: Final answer
    x = 27,871.28

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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.