Home / 30,074.68-41,502.14-16,645.48

Finding the Fourth Proportional to 30,074.68, 41,502.14 and 16,645.48

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Solution

The fourth proportional to 30,074.68, 41,502.14 and 16,645.48 is: 22,970.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,074.68 : 41,502.14 = 16,645.48 : x
  2. Step 2: Convert to fraction form
    30,074.68/41,502.14 = 16,645.48/x
  3. Step 3: Cross multiply
    30,074.68x = 41,502.14 × 16,645.48
  4. Step 4: Simplify right side
    30,074.68x = 690,823,041.33
  5. Step 5: Solve for x
    x = 690,823,041.33/30,074.68
  6. Step 6: Final answer
    x = 22,970.25

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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.