Home / 30,386.83-41,935.93-16,960.70

Finding the Fourth Proportional to 30,386.83, 41,935.93 and 16,960.70

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Solution

The fourth proportional to 30,386.83, 41,935.93 and 16,960.70 is: 23,406.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,386.83 : 41,935.93 = 16,960.70 : x
  2. Step 2: Convert to fraction form
    30,386.83/41,935.93 = 16,960.70/x
  3. Step 3: Cross multiply
    30,386.83x = 41,935.93 × 16,960.70
  4. Step 4: Simplify right side
    30,386.83x = 711,262,727.95
  5. Step 5: Solve for x
    x = 711,262,727.95/30,386.83
  6. Step 6: Final answer
    x = 23,406.94

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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.