Home / 30,984.46-42,758.60-17,556.62

Finding the Fourth Proportional to 30,984.46, 42,758.60 and 17,556.62

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Solution

The fourth proportional to 30,984.46, 42,758.60 and 17,556.62 is: 24,228.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,984.46 : 42,758.60 = 17,556.62 : x
  2. Step 2: Convert to fraction form
    30,984.46/42,758.60 = 17,556.62/x
  3. Step 3: Cross multiply
    30,984.46x = 42,758.60 × 17,556.62
  4. Step 4: Simplify right side
    30,984.46x = 750,696,511.05
  5. Step 5: Solve for x
    x = 750,696,511.05/30,984.46
  6. Step 6: Final answer
    x = 24,228.16

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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.