Home / 30,135.76-41,587.62-16,707.28

Finding the Fourth Proportional to 30,135.76, 41,587.62 and 16,707.28

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Solution

The fourth proportional to 30,135.76, 41,587.62 and 16,707.28 is: 23,056.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,135.76 : 41,587.62 = 16,707.28 : x
  2. Step 2: Convert to fraction form
    30,135.76/41,587.62 = 16,707.28/x
  3. Step 3: Cross multiply
    30,135.76x = 41,587.62 × 16,707.28
  4. Step 4: Simplify right side
    30,135.76x = 694,816,011.87
  5. Step 5: Solve for x
    x = 694,816,011.87/30,135.76
  6. Step 6: Final answer
    x = 23,056.20

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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.