Home / 30,923.56-42,674.82-16,776.52

Finding the Fourth Proportional to 30,923.56, 42,674.82 and 16,776.52

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Solution

The fourth proportional to 30,923.56, 42,674.82 and 16,776.52 is: 23,151.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,923.56 : 42,674.82 = 16,776.52 : x
  2. Step 2: Convert to fraction form
    30,923.56/42,674.82 = 16,776.52/x
  3. Step 3: Cross multiply
    30,923.56x = 42,674.82 × 16,776.52
  4. Step 4: Simplify right side
    30,923.56x = 715,934,971.23
  5. Step 5: Solve for x
    x = 715,934,971.23/30,923.56
  6. Step 6: Final answer
    x = 23,151.76

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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.