Home / 30,982.84-42,756.42-17,556.58

Finding the Fourth Proportional to 30,982.84, 42,756.42 and 17,556.58

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Solution

The fourth proportional to 30,982.84, 42,756.42 and 17,556.58 is: 24,228.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,982.84 : 42,756.42 = 17,556.58 : x
  2. Step 2: Convert to fraction form
    30,982.84/42,756.42 = 17,556.58/x
  3. Step 3: Cross multiply
    30,982.84x = 42,756.42 × 17,556.58
  4. Step 4: Simplify right side
    30,982.84x = 750,656,508.24
  5. Step 5: Solve for x
    x = 750,656,508.24/30,982.84
  6. Step 6: Final answer
    x = 24,228.14

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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.