Home / 30,110.08-41,549.46-16,681.90

Finding the Fourth Proportional to 30,110.08, 41,549.46 and 16,681.90

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Solution

The fourth proportional to 30,110.08, 41,549.46 and 16,681.90 is: 23,019.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,110.08 : 41,549.46 = 16,681.90 : x
  2. Step 2: Convert to fraction form
    30,110.08/41,549.46 = 16,681.90/x
  3. Step 3: Cross multiply
    30,110.08x = 41,549.46 × 16,681.90
  4. Step 4: Simplify right side
    30,110.08x = 693,123,936.77
  5. Step 5: Solve for x
    x = 693,123,936.77/30,110.08
  6. Step 6: Final answer
    x = 23,019.66

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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.