Home / 30,132.56-41,582.93-16,703.78

Finding the Fourth Proportional to 30,132.56, 41,582.93 and 16,703.78

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Solution

The fourth proportional to 30,132.56, 41,582.93 and 16,703.78 is: 23,051.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,132.56 : 41,582.93 = 16,703.78 : x
  2. Step 2: Convert to fraction form
    30,132.56/41,582.93 = 16,703.78/x
  3. Step 3: Cross multiply
    30,132.56x = 41,582.93 × 16,703.78
  4. Step 4: Simplify right side
    30,132.56x = 694,591,823.04
  5. Step 5: Solve for x
    x = 694,591,823.04/30,132.56
  6. Step 6: Final answer
    x = 23,051.21

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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.