Home / 30,565.76-45,840.33-8,373.78

Finding the Fourth Proportional to 30,565.76, 45,840.33 and 8,373.78

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Solution

The fourth proportional to 30,565.76, 45,840.33 and 8,373.78 is: 12,558.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,565.76 : 45,840.33 = 8,373.78 : x
  2. Step 2: Convert to fraction form
    30,565.76/45,840.33 = 8,373.78/x
  3. Step 3: Cross multiply
    30,565.76x = 45,840.33 × 8,373.78
  4. Step 4: Simplify right side
    30,565.76x = 383,856,838.55
  5. Step 5: Solve for x
    x = 383,856,838.55/30,565.76
  6. Step 6: Final answer
    x = 12,558.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.