Home / 66,726.24-92,059.76-38,431.28

Finding the Fourth Proportional to 66,726.24, 92,059.76 and 38,431.28

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Solution

The fourth proportional to 66,726.24, 92,059.76 and 38,431.28 is: 53,022.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,726.24 : 92,059.76 = 38,431.28 : x
  2. Step 2: Convert to fraction form
    66,726.24/92,059.76 = 38,431.28/x
  3. Step 3: Cross multiply
    66,726.24x = 92,059.76 × 38,431.28
  4. Step 4: Simplify right side
    66,726.24x = 3,537,974,413.29
  5. Step 5: Solve for x
    x = 3,537,974,413.29/66,726.24
  6. Step 6: Final answer
    x = 53,022.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.