Home / 30,126.48-41,574.51-16,697.76

Finding the Fourth Proportional to 30,126.48, 41,574.51 and 16,697.76

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Solution

The fourth proportional to 30,126.48, 41,574.51 and 16,697.76 is: 23,042.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,126.48 : 41,574.51 = 16,697.76 : x
  2. Step 2: Convert to fraction form
    30,126.48/41,574.51 = 16,697.76/x
  3. Step 3: Cross multiply
    30,126.48x = 41,574.51 × 16,697.76
  4. Step 4: Simplify right side
    30,126.48x = 694,201,190.10
  5. Step 5: Solve for x
    x = 694,201,190.10/30,126.48
  6. Step 6: Final answer
    x = 23,042.89

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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.