Home / 31,810.20-43,893.95-17,660.31

Finding the Fourth Proportional to 31,810.20, 43,893.95 and 17,660.31

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Solution

The fourth proportional to 31,810.20, 43,893.95 and 17,660.31 is: 24,368.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,810.20 : 43,893.95 = 17,660.31 : x
  2. Step 2: Convert to fraction form
    31,810.20/43,893.95 = 17,660.31/x
  3. Step 3: Cross multiply
    31,810.20x = 43,893.95 × 17,660.31
  4. Step 4: Simplify right side
    31,810.20x = 775,180,675.82
  5. Step 5: Solve for x
    x = 775,180,675.82/31,810.20
  6. Step 6: Final answer
    x = 24,368.93

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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.