Home / 31,187.11-46,775.02-8,995.03

Finding the Fourth Proportional to 31,187.11, 46,775.02 and 8,995.03

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Solution

The fourth proportional to 31,187.11, 46,775.02 and 8,995.03 is: 13,490.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,187.11 : 46,775.02 = 8,995.03 : x
  2. Step 2: Convert to fraction form
    31,187.11/46,775.02 = 8,995.03/x
  3. Step 3: Cross multiply
    31,187.11x = 46,775.02 × 8,995.03
  4. Step 4: Simplify right side
    31,187.11x = 420,742,708.15
  5. Step 5: Solve for x
    x = 420,742,708.15/31,187.11
  6. Step 6: Final answer
    x = 13,490.92

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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.