Home / 30,150.84-41,603.18-16,719.96

Finding the Fourth Proportional to 30,150.84, 41,603.18 and 16,719.96

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Solution

The fourth proportional to 30,150.84, 41,603.18 and 16,719.96 is: 23,070.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,150.84 : 41,603.18 = 16,719.96 : x
  2. Step 2: Convert to fraction form
    30,150.84/41,603.18 = 16,719.96/x
  3. Step 3: Cross multiply
    30,150.84x = 41,603.18 × 16,719.96
  4. Step 4: Simplify right side
    30,150.84x = 695,603,421.87
  5. Step 5: Solve for x
    x = 695,603,421.87/30,150.84
  6. Step 6: Final answer
    x = 23,070.78

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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.