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Finding the Fourth Proportional to 39,683.66, 59,528.98 and 14,723.98

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Solution

The fourth proportional to 39,683.66, 59,528.98 and 14,723.98 is: 22,087.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,683.66 : 59,528.98 = 14,723.98 : x
  2. Step 2: Convert to fraction form
    39,683.66/59,528.98 = 14,723.98/x
  3. Step 3: Cross multiply
    39,683.66x = 59,528.98 × 14,723.98
  4. Step 4: Simplify right side
    39,683.66x = 876,503,510.94
  5. Step 5: Solve for x
    x = 876,503,510.94/39,683.66
  6. Step 6: Final answer
    x = 22,087.26

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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.