Home / 30,145.16-41,600.44-16,717.66

Finding the Fourth Proportional to 30,145.16, 41,600.44 and 16,717.66

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Solution

The fourth proportional to 30,145.16, 41,600.44 and 16,717.66 is: 23,070.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,145.16 : 41,600.44 = 16,717.66 : x
  2. Step 2: Convert to fraction form
    30,145.16/41,600.44 = 16,717.66/x
  3. Step 3: Cross multiply
    30,145.16x = 41,600.44 × 16,717.66
  4. Step 4: Simplify right side
    30,145.16x = 695,461,834.63
  5. Step 5: Solve for x
    x = 695,461,834.63/30,145.16
  6. Step 6: Final answer
    x = 23,070.43

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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.