Home / 40,420.49-60,658.47-14,125.25

Finding the Fourth Proportional to 40,420.49, 60,658.47 and 14,125.25

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Solution

The fourth proportional to 40,420.49, 60,658.47 and 14,125.25 is: 21,197.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,420.49 : 60,658.47 = 14,125.25 : x
  2. Step 2: Convert to fraction form
    40,420.49/60,658.47 = 14,125.25/x
  3. Step 3: Cross multiply
    40,420.49x = 60,658.47 × 14,125.25
  4. Step 4: Simplify right side
    40,420.49x = 856,816,205.01
  5. Step 5: Solve for x
    x = 856,816,205.01/40,420.49
  6. Step 6: Final answer
    x = 21,197.57

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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.