Home / 30,604.40-42,233.60-16,993.20

Finding the Fourth Proportional to 30,604.40, 42,233.60 and 16,993.20

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Solution

The fourth proportional to 30,604.40, 42,233.60 and 16,993.20 is: 23,450.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,604.40 : 42,233.60 = 16,993.20 : x
  2. Step 2: Convert to fraction form
    30,604.40/42,233.60 = 16,993.20/x
  3. Step 3: Cross multiply
    30,604.40x = 42,233.60 × 16,993.20
  4. Step 4: Simplify right side
    30,604.40x = 717,684,011.52
  5. Step 5: Solve for x
    x = 717,684,011.52/30,604.40
  6. Step 6: Final answer
    x = 23,450.35

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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.