Home / 31,685.09-43,724.90-17,537.63

Finding the Fourth Proportional to 31,685.09, 43,724.90 and 17,537.63

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Solution

The fourth proportional to 31,685.09, 43,724.90 and 17,537.63 is: 24,201.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,685.09 : 43,724.90 = 17,537.63 : x
  2. Step 2: Convert to fraction form
    31,685.09/43,724.90 = 17,537.63/x
  3. Step 3: Cross multiply
    31,685.09x = 43,724.90 × 17,537.63
  4. Step 4: Simplify right side
    31,685.09x = 766,831,030.30
  5. Step 5: Solve for x
    x = 766,831,030.30/31,685.09
  6. Step 6: Final answer
    x = 24,201.64

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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.