Home / 31,214.10-46,816.02-13,439.97

Finding the Fourth Proportional to 31,214.10, 46,816.02 and 13,439.97

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Solution

The fourth proportional to 31,214.10, 46,816.02 and 13,439.97 is: 20,157.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,214.10 : 46,816.02 = 13,439.97 : x
  2. Step 2: Convert to fraction form
    31,214.10/46,816.02 = 13,439.97/x
  3. Step 3: Cross multiply
    31,214.10x = 46,816.02 × 13,439.97
  4. Step 4: Simplify right side
    31,214.10x = 629,205,904.32
  5. Step 5: Solve for x
    x = 629,205,904.32/31,214.10
  6. Step 6: Final answer
    x = 20,157.74

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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.