Home / 30,835.64-42,553.96-17,408.14

Finding the Fourth Proportional to 30,835.64, 42,553.96 and 17,408.14

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Solution

The fourth proportional to 30,835.64, 42,553.96 and 17,408.14 is: 24,023.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,835.64 : 42,553.96 = 17,408.14 : x
  2. Step 2: Convert to fraction form
    30,835.64/42,553.96 = 17,408.14/x
  3. Step 3: Cross multiply
    30,835.64x = 42,553.96 × 17,408.14
  4. Step 4: Simplify right side
    30,835.64x = 740,785,036.94
  5. Step 5: Solve for x
    x = 740,785,036.94/30,835.64
  6. Step 6: Final answer
    x = 24,023.66

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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.