Home / 30,071.24-41,498.40-16,643.42

Finding the Fourth Proportional to 30,071.24, 41,498.40 and 16,643.42

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Solution

The fourth proportional to 30,071.24, 41,498.40 and 16,643.42 is: 22,967.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,071.24 : 41,498.40 = 16,643.42 : x
  2. Step 2: Convert to fraction form
    30,071.24/41,498.40 = 16,643.42/x
  3. Step 3: Cross multiply
    30,071.24x = 41,498.40 × 16,643.42
  4. Step 4: Simplify right side
    30,071.24x = 690,675,300.53
  5. Step 5: Solve for x
    x = 690,675,300.53/30,071.24
  6. Step 6: Final answer
    x = 22,967.97

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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.