Home / 30,123.30-41,577.06-20,052.18

Finding the Fourth Proportional to 30,123.30, 41,577.06 and 20,052.18

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Solution

The fourth proportional to 30,123.30, 41,577.06 and 20,052.18 is: 27,676.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,123.30 : 41,577.06 = 20,052.18 : x
  2. Step 2: Convert to fraction form
    30,123.30/41,577.06 = 20,052.18/x
  3. Step 3: Cross multiply
    30,123.30x = 41,577.06 × 20,052.18
  4. Step 4: Simplify right side
    30,123.30x = 833,710,690.99
  5. Step 5: Solve for x
    x = 833,710,690.99/30,123.30
  6. Step 6: Final answer
    x = 27,676.61

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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.