Home / 31,638.06-47,455.38-16,055.28

Finding the Fourth Proportional to 31,638.06, 47,455.38 and 16,055.28

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Solution

The fourth proportional to 31,638.06, 47,455.38 and 16,055.28 is: 24,082.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,638.06 : 47,455.38 = 16,055.28 : x
  2. Step 2: Convert to fraction form
    31,638.06/47,455.38 = 16,055.28/x
  3. Step 3: Cross multiply
    31,638.06x = 47,455.38 × 16,055.28
  4. Step 4: Simplify right side
    31,638.06x = 761,909,413.41
  5. Step 5: Solve for x
    x = 761,909,413.41/31,638.06
  6. Step 6: Final answer
    x = 24,082.05

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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.