Home / 31,914.28-47,840.10-17,881.03

Finding the Fourth Proportional to 31,914.28, 47,840.10 and 17,881.03

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Solution

The fourth proportional to 31,914.28, 47,840.10 and 17,881.03 is: 26,804.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,914.28 : 47,840.10 = 17,881.03 : x
  2. Step 2: Convert to fraction form
    31,914.28/47,840.10 = 17,881.03/x
  3. Step 3: Cross multiply
    31,914.28x = 47,840.10 × 17,881.03
  4. Step 4: Simplify right side
    31,914.28x = 855,430,263.30
  5. Step 5: Solve for x
    x = 855,430,263.30/31,914.28
  6. Step 6: Final answer
    x = 26,804.00

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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.