Home / 31,239.59-43,099.94-17,801.16

Finding the Fourth Proportional to 31,239.59, 43,099.94 and 17,801.16

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Solution

The fourth proportional to 31,239.59, 43,099.94 and 17,801.16 is: 24,559.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,239.59 : 43,099.94 = 17,801.16 : x
  2. Step 2: Convert to fraction form
    31,239.59/43,099.94 = 17,801.16/x
  3. Step 3: Cross multiply
    31,239.59x = 43,099.94 × 17,801.16
  4. Step 4: Simplify right side
    31,239.59x = 767,228,810.81
  5. Step 5: Solve for x
    x = 767,228,810.81/31,239.59
  6. Step 6: Final answer
    x = 24,559.51

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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.