Home / 30,029.10-41,459.46-19,278.57

Finding the Fourth Proportional to 30,029.10, 41,459.46 and 19,278.57

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Solution

The fourth proportional to 30,029.10, 41,459.46 and 19,278.57 is: 26,616.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,029.10 : 41,459.46 = 19,278.57 : x
  2. Step 2: Convert to fraction form
    30,029.10/41,459.46 = 19,278.57/x
  3. Step 3: Cross multiply
    30,029.10x = 41,459.46 × 19,278.57
  4. Step 4: Simplify right side
    30,029.10x = 799,279,101.77
  5. Step 5: Solve for x
    x = 799,279,101.77/30,029.10
  6. Step 6: Final answer
    x = 26,616.82

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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.