Home / 30,005.49-41,408.40-17,913.00

Finding the Fourth Proportional to 30,005.49, 41,408.40 and 17,913.00

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Solution

The fourth proportional to 30,005.49, 41,408.40 and 17,913.00 is: 24,720.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,005.49 : 41,408.40 = 17,913.00 : x
  2. Step 2: Convert to fraction form
    30,005.49/41,408.40 = 17,913.00/x
  3. Step 3: Cross multiply
    30,005.49x = 41,408.40 × 17,913.00
  4. Step 4: Simplify right side
    30,005.49x = 741,748,633.54
  5. Step 5: Solve for x
    x = 741,748,633.54/30,005.49
  6. Step 6: Final answer
    x = 24,720.43

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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.