Home / 30,100.96-45,108.42-16,925.68

Finding the Fourth Proportional to 30,100.96, 45,108.42 and 16,925.68

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Solution

The fourth proportional to 30,100.96, 45,108.42 and 16,925.68 is: 25,364.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,100.96 : 45,108.42 = 16,925.68 : x
  2. Step 2: Convert to fraction form
    30,100.96/45,108.42 = 16,925.68/x
  3. Step 3: Cross multiply
    30,100.96x = 45,108.42 × 16,925.68
  4. Step 4: Simplify right side
    30,100.96x = 763,490,682.23
  5. Step 5: Solve for x
    x = 763,490,682.23/30,100.96
  6. Step 6: Final answer
    x = 25,364.33

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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.