Home / 34,888.42-48,145.68-18,973

Finding the Fourth Proportional to 34,888.42, 48,145.68 and 18,973

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Solution

The fourth proportional to 34,888.42, 48,145.68 and 18,973 is: 26,182.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,888.42 : 48,145.68 = 18,973 : x
  2. Step 2: Convert to fraction form
    34,888.42/48,145.68 = 18,973/x
  3. Step 3: Cross multiply
    34,888.42x = 48,145.68 × 18,973
  4. Step 4: Simplify right side
    34,888.42x = 913,467,986.64
  5. Step 5: Solve for x
    x = 913,467,986.64/34,888.42
  6. Step 6: Final answer
    x = 26,182.56

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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.