Home / 30,123.88-41,570.96-16,697.16

Finding the Fourth Proportional to 30,123.88, 41,570.96 and 16,697.16

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Solution

The fourth proportional to 30,123.88, 41,570.96 and 16,697.16 is: 23,042.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,123.88 : 41,570.96 = 16,697.16 : x
  2. Step 2: Convert to fraction form
    30,123.88/41,570.96 = 16,697.16/x
  3. Step 3: Cross multiply
    30,123.88x = 41,570.96 × 16,697.16
  4. Step 4: Simplify right side
    30,123.88x = 694,116,970.47
  5. Step 5: Solve for x
    x = 694,116,970.47/30,123.88
  6. Step 6: Final answer
    x = 23,042.08

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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.