Home / 30,942.84-42,701.18-16,795.69

Finding the Fourth Proportional to 30,942.84, 42,701.18 and 16,795.69

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Solution

The fourth proportional to 30,942.84, 42,701.18 and 16,795.69 is: 23,178.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,942.84 : 42,701.18 = 16,795.69 : x
  2. Step 2: Convert to fraction form
    30,942.84/42,701.18 = 16,795.69/x
  3. Step 3: Cross multiply
    30,942.84x = 42,701.18 × 16,795.69
  4. Step 4: Simplify right side
    30,942.84x = 717,195,591.18
  5. Step 5: Solve for x
    x = 717,195,591.18/30,942.84
  6. Step 6: Final answer
    x = 23,178.08

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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.