Home / 42,585.34-63,885.72-17,611.84

Finding the Fourth Proportional to 42,585.34, 63,885.72 and 17,611.84

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Solution

The fourth proportional to 42,585.34, 63,885.72 and 17,611.84 is: 26,420.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,585.34 : 63,885.72 = 17,611.84 : x
  2. Step 2: Convert to fraction form
    42,585.34/63,885.72 = 17,611.84/x
  3. Step 3: Cross multiply
    42,585.34x = 63,885.72 × 17,611.84
  4. Step 4: Simplify right side
    42,585.34x = 1,125,145,078.92
  5. Step 5: Solve for x
    x = 1,125,145,078.92/42,585.34
  6. Step 6: Final answer
    x = 26,420.95

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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.