Home / 30,832.18-42,548.23-17,407.80

Finding the Fourth Proportional to 30,832.18, 42,548.23 and 17,407.80

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Solution

The fourth proportional to 30,832.18, 42,548.23 and 17,407.80 is: 24,022.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,832.18 : 42,548.23 = 17,407.80 : x
  2. Step 2: Convert to fraction form
    30,832.18/42,548.23 = 17,407.80/x
  3. Step 3: Cross multiply
    30,832.18x = 42,548.23 × 17,407.80
  4. Step 4: Simplify right side
    30,832.18x = 740,671,078.19
  5. Step 5: Solve for x
    x = 740,671,078.19/30,832.18
  6. Step 6: Final answer
    x = 24,022.66

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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.