Home / 30,833.10-42,549.57-16,685.94

Finding the Fourth Proportional to 30,833.10, 42,549.57 and 16,685.94

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Solution

The fourth proportional to 30,833.10, 42,549.57 and 16,685.94 is: 23,026.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,833.10 : 42,549.57 = 16,685.94 : x
  2. Step 2: Convert to fraction form
    30,833.10/42,549.57 = 16,685.94/x
  3. Step 3: Cross multiply
    30,833.10x = 42,549.57 × 16,685.94
  4. Step 4: Simplify right side
    30,833.10x = 709,979,572.05
  5. Step 5: Solve for x
    x = 709,979,572.05/30,833.10
  6. Step 6: Final answer
    x = 23,026.54

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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.