Home / 30,425.13-41,985.18-16,993.71

Finding the Fourth Proportional to 30,425.13, 41,985.18 and 16,993.71

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Solution

The fourth proportional to 30,425.13, 41,985.18 and 16,993.71 is: 23,450.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,425.13 : 41,985.18 = 16,993.71 : x
  2. Step 2: Convert to fraction form
    30,425.13/41,985.18 = 16,993.71/x
  3. Step 3: Cross multiply
    30,425.13x = 41,985.18 × 16,993.71
  4. Step 4: Simplify right side
    30,425.13x = 713,483,973.22
  5. Step 5: Solve for x
    x = 713,483,973.22/30,425.13
  6. Step 6: Final answer
    x = 23,450.48

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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.