Home / 39,432.98-59,142.90-11,724.50

Finding the Fourth Proportional to 39,432.98, 59,142.90 and 11,724.50

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Solution

The fourth proportional to 39,432.98, 59,142.90 and 11,724.50 is: 17,584.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,432.98 : 59,142.90 = 11,724.50 : x
  2. Step 2: Convert to fraction form
    39,432.98/59,142.90 = 11,724.50/x
  3. Step 3: Cross multiply
    39,432.98x = 59,142.90 × 11,724.50
  4. Step 4: Simplify right side
    39,432.98x = 693,420,931.05
  5. Step 5: Solve for x
    x = 693,420,931.05/39,432.98
  6. Step 6: Final answer
    x = 17,584.80

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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.