Home / 34,327.62-47,368.20-19,218.18

Finding the Fourth Proportional to 34,327.62, 47,368.20 and 19,218.18

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Solution

The fourth proportional to 34,327.62, 47,368.20 and 19,218.18 is: 26,518.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,327.62 : 47,368.20 = 19,218.18 : x
  2. Step 2: Convert to fraction form
    34,327.62/47,368.20 = 19,218.18/x
  3. Step 3: Cross multiply
    34,327.62x = 47,368.20 × 19,218.18
  4. Step 4: Simplify right side
    34,327.62x = 910,330,593.88
  5. Step 5: Solve for x
    x = 910,330,593.88/34,327.62
  6. Step 6: Final answer
    x = 26,518.90

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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.