Home / 30,832.13-42,548.64-16,685.27

Finding the Fourth Proportional to 30,832.13, 42,548.64 and 16,685.27

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Solution

The fourth proportional to 30,832.13, 42,548.64 and 16,685.27 is: 23,025.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,832.13 : 42,548.64 = 16,685.27 : x
  2. Step 2: Convert to fraction form
    30,832.13/42,548.64 = 16,685.27/x
  3. Step 3: Cross multiply
    30,832.13x = 42,548.64 × 16,685.27
  4. Step 4: Simplify right side
    30,832.13x = 709,935,652.90
  5. Step 5: Solve for x
    x = 709,935,652.90/30,832.13
  6. Step 6: Final answer
    x = 23,025.84

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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.