Home / 30,318.63-41,840.17-17,399.98

Finding the Fourth Proportional to 30,318.63, 41,840.17 and 17,399.98

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Solution

The fourth proportional to 30,318.63, 41,840.17 and 17,399.98 is: 24,012.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,318.63 : 41,840.17 = 17,399.98 : x
  2. Step 2: Convert to fraction form
    30,318.63/41,840.17 = 17,399.98/x
  3. Step 3: Cross multiply
    30,318.63x = 41,840.17 × 17,399.98
  4. Step 4: Simplify right side
    30,318.63x = 728,017,973.10
  5. Step 5: Solve for x
    x = 728,017,973.10/30,318.63
  6. Step 6: Final answer
    x = 24,012.23

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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.