Home / 30,073.44-41,503.56-16,645.20

Finding the Fourth Proportional to 30,073.44, 41,503.56 and 16,645.20

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Solution

The fourth proportional to 30,073.44, 41,503.56 and 16,645.20 is: 22,971.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,073.44 : 41,503.56 = 16,645.20 : x
  2. Step 2: Convert to fraction form
    30,073.44/41,503.56 = 16,645.20/x
  3. Step 3: Cross multiply
    30,073.44x = 41,503.56 × 16,645.20
  4. Step 4: Simplify right side
    30,073.44x = 690,835,056.91
  5. Step 5: Solve for x
    x = 690,835,056.91/30,073.44
  6. Step 6: Final answer
    x = 22,971.60

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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.