Home / 30,423-41,984.64-16,994.82

Finding the Fourth Proportional to 30,423, 41,984.64 and 16,994.82

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Solution

The fourth proportional to 30,423, 41,984.64 and 16,994.82 is: 23,453.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,423 : 41,984.64 = 16,994.82 : x
  2. Step 2: Convert to fraction form
    30,423/41,984.64 = 16,994.82/x
  3. Step 3: Cross multiply
    30,423x = 41,984.64 × 16,994.82
  4. Step 4: Simplify right side
    30,423x = 713,521,399.56
  5. Step 5: Solve for x
    x = 713,521,399.56/30,423
  6. Step 6: Final answer
    x = 23,453.35

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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.