Home / 30,850.85-42,574.19-16,703.71

Finding the Fourth Proportional to 30,850.85, 42,574.19 and 16,703.71

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Solution

The fourth proportional to 30,850.85, 42,574.19 and 16,703.71 is: 23,051.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,850.85 : 42,574.19 = 16,703.71 : x
  2. Step 2: Convert to fraction form
    30,850.85/42,574.19 = 16,703.71/x
  3. Step 3: Cross multiply
    30,850.85x = 42,574.19 × 16,703.71
  4. Step 4: Simplify right side
    30,850.85x = 711,146,923.24
  5. Step 5: Solve for x
    x = 711,146,923.24/30,850.85
  6. Step 6: Final answer
    x = 23,051.13

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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.