Home / 30,123.76-41,570.79-16,697.03

Finding the Fourth Proportional to 30,123.76, 41,570.79 and 16,697.03

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Solution

The fourth proportional to 30,123.76, 41,570.79 and 16,697.03 is: 23,041.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,123.76 : 41,570.79 = 16,697.03 : x
  2. Step 2: Convert to fraction form
    30,123.76/41,570.79 = 16,697.03/x
  3. Step 3: Cross multiply
    30,123.76x = 41,570.79 × 16,697.03
  4. Step 4: Simplify right side
    30,123.76x = 694,108,644.27
  5. Step 5: Solve for x
    x = 694,108,644.27/30,123.76
  6. Step 6: Final answer
    x = 23,041.90

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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.