Home / 30,271.36-41,773.68-16,842.64

Finding the Fourth Proportional to 30,271.36, 41,773.68 and 16,842.64

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Solution

The fourth proportional to 30,271.36, 41,773.68 and 16,842.64 is: 23,242.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,271.36 : 41,773.68 = 16,842.64 : x
  2. Step 2: Convert to fraction form
    30,271.36/41,773.68 = 16,842.64/x
  3. Step 3: Cross multiply
    30,271.36x = 41,773.68 × 16,842.64
  4. Step 4: Simplify right side
    30,271.36x = 703,579,053.72
  5. Step 5: Solve for x
    x = 703,579,053.72/30,271.36
  6. Step 6: Final answer
    x = 23,242.40

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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.