Home / 30,386.52-41,935.50-16,960.39

Finding the Fourth Proportional to 30,386.52, 41,935.50 and 16,960.39

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Solution

The fourth proportional to 30,386.52, 41,935.50 and 16,960.39 is: 23,406.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,386.52 : 41,935.50 = 16,960.39 : x
  2. Step 2: Convert to fraction form
    30,386.52/41,935.50 = 16,960.39/x
  3. Step 3: Cross multiply
    30,386.52x = 41,935.50 × 16,960.39
  4. Step 4: Simplify right side
    30,386.52x = 711,242,487.26
  5. Step 5: Solve for x
    x = 711,242,487.26/30,386.52
  6. Step 6: Final answer
    x = 23,406.51

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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.