Home / 38,389.71-57,548.17-13,413.52

Finding the Fourth Proportional to 38,389.71, 57,548.17 and 13,413.52

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Solution

The fourth proportional to 38,389.71, 57,548.17 and 13,413.52 is: 20,107.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,389.71 : 57,548.17 = 13,413.52 : x
  2. Step 2: Convert to fraction form
    38,389.71/57,548.17 = 13,413.52/x
  3. Step 3: Cross multiply
    38,389.71x = 57,548.17 × 13,413.52
  4. Step 4: Simplify right side
    38,389.71x = 771,923,779.81
  5. Step 5: Solve for x
    x = 771,923,779.81/38,389.71
  6. Step 6: Final answer
    x = 20,107.57

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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.