Home / 31,258.17-43,136.35-17,111.93

Finding the Fourth Proportional to 31,258.17, 43,136.35 and 17,111.93

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Solution

The fourth proportional to 31,258.17, 43,136.35 and 17,111.93 is: 23,614.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,258.17 : 43,136.35 = 17,111.93 : x
  2. Step 2: Convert to fraction form
    31,258.17/43,136.35 = 17,111.93/x
  3. Step 3: Cross multiply
    31,258.17x = 43,136.35 × 17,111.93
  4. Step 4: Simplify right side
    31,258.17x = 738,145,943.19
  5. Step 5: Solve for x
    x = 738,145,943.19/31,258.17
  6. Step 6: Final answer
    x = 23,614.50

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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.