Home / 30,071.52-41,497.64-16,643.34

Finding the Fourth Proportional to 30,071.52, 41,497.64 and 16,643.34

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Solution

The fourth proportional to 30,071.52, 41,497.64 and 16,643.34 is: 22,967.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,071.52 : 41,497.64 = 16,643.34 : x
  2. Step 2: Convert to fraction form
    30,071.52/41,497.64 = 16,643.34/x
  3. Step 3: Cross multiply
    30,071.52x = 41,497.64 × 16,643.34
  4. Step 4: Simplify right side
    30,071.52x = 690,659,331.72
  5. Step 5: Solve for x
    x = 690,659,331.72/30,071.52
  6. Step 6: Final answer
    x = 22,967.22

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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.