Home / 39,830.95-59,732.50-11,743.55

Finding the Fourth Proportional to 39,830.95, 59,732.50 and 11,743.55

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Solution

The fourth proportional to 39,830.95, 59,732.50 and 11,743.55 is: 17,611.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,830.95 : 59,732.50 = 11,743.55 : x
  2. Step 2: Convert to fraction form
    39,830.95/59,732.50 = 11,743.55/x
  3. Step 3: Cross multiply
    39,830.95x = 59,732.50 × 11,743.55
  4. Step 4: Simplify right side
    39,830.95x = 701,471,242.99
  5. Step 5: Solve for x
    x = 701,471,242.99/39,830.95
  6. Step 6: Final answer
    x = 17,611.21

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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.