Home / 30,402.82-41,955.07-16,973.69

Finding the Fourth Proportional to 30,402.82, 41,955.07 and 16,973.69

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Solution

The fourth proportional to 30,402.82, 41,955.07 and 16,973.69 is: 23,423.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,402.82 : 41,955.07 = 16,973.69 : x
  2. Step 2: Convert to fraction form
    30,402.82/41,955.07 = 16,973.69/x
  3. Step 3: Cross multiply
    30,402.82x = 41,955.07 × 16,973.69
  4. Step 4: Simplify right side
    30,402.82x = 712,132,352.11
  5. Step 5: Solve for x
    x = 712,132,352.11/30,402.82
  6. Step 6: Final answer
    x = 23,423.23

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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.