Home / 35,121.12-52,709.35-15,413.28

Finding the Fourth Proportional to 35,121.12, 52,709.35 and 15,413.28

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Solution

The fourth proportional to 35,121.12, 52,709.35 and 15,413.28 is: 23,132.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,121.12 : 52,709.35 = 15,413.28 : x
  2. Step 2: Convert to fraction form
    35,121.12/52,709.35 = 15,413.28/x
  3. Step 3: Cross multiply
    35,121.12x = 52,709.35 × 15,413.28
  4. Step 4: Simplify right side
    35,121.12x = 812,423,970.17
  5. Step 5: Solve for x
    x = 812,423,970.17/35,121.12
  6. Step 6: Final answer
    x = 23,132.06

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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.