Home / 34,306.56-47,341.44-19,399.68

Finding the Fourth Proportional to 34,306.56, 47,341.44 and 19,399.68

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Solution

The fourth proportional to 34,306.56, 47,341.44 and 19,399.68 is: 26,770.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,306.56 : 47,341.44 = 19,399.68 : x
  2. Step 2: Convert to fraction form
    34,306.56/47,341.44 = 19,399.68/x
  3. Step 3: Cross multiply
    34,306.56x = 47,341.44 × 19,399.68
  4. Step 4: Simplify right side
    34,306.56x = 918,408,786.74
  5. Step 5: Solve for x
    x = 918,408,786.74/34,306.56
  6. Step 6: Final answer
    x = 26,770.65

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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.