Home / 30,118.23-45,181.49-10,398.33

Finding the Fourth Proportional to 30,118.23, 45,181.49 and 10,398.33

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Solution

The fourth proportional to 30,118.23, 45,181.49 and 10,398.33 is: 15,598.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,118.23 : 45,181.49 = 10,398.33 : x
  2. Step 2: Convert to fraction form
    30,118.23/45,181.49 = 10,398.33/x
  3. Step 3: Cross multiply
    30,118.23x = 45,181.49 × 10,398.33
  4. Step 4: Simplify right side
    30,118.23x = 469,811,990.92
  5. Step 5: Solve for x
    x = 469,811,990.92/30,118.23
  6. Step 6: Final answer
    x = 15,598.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.