Home / 30,861.18-42,588.49-16,714.03

Finding the Fourth Proportional to 30,861.18, 42,588.49 and 16,714.03

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Solution

The fourth proportional to 30,861.18, 42,588.49 and 16,714.03 is: 23,065.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,861.18 : 42,588.49 = 16,714.03 : x
  2. Step 2: Convert to fraction form
    30,861.18/42,588.49 = 16,714.03/x
  3. Step 3: Cross multiply
    30,861.18x = 42,588.49 × 16,714.03
  4. Step 4: Simplify right side
    30,861.18x = 711,825,151.26
  5. Step 5: Solve for x
    x = 711,825,151.26/30,861.18
  6. Step 6: Final answer
    x = 23,065.39

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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.