Home / 53,002.46-79,472.56-21,413.52

Finding the Fourth Proportional to 53,002.46, 79,472.56 and 21,413.52

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Solution

The fourth proportional to 53,002.46, 79,472.56 and 21,413.52 is: 32,107.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,002.46 : 79,472.56 = 21,413.52 : x
  2. Step 2: Convert to fraction form
    53,002.46/79,472.56 = 21,413.52/x
  3. Step 3: Cross multiply
    53,002.46x = 79,472.56 × 21,413.52
  4. Step 4: Simplify right side
    53,002.46x = 1,701,787,372.81
  5. Step 5: Solve for x
    x = 1,701,787,372.81/53,002.46
  6. Step 6: Final answer
    x = 32,107.71

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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.