Home / 31,681.13-47,538.09-16,098.75

Finding the Fourth Proportional to 31,681.13, 47,538.09 and 16,098.75

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Solution

The fourth proportional to 31,681.13, 47,538.09 and 16,098.75 is: 24,156.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,681.13 : 47,538.09 = 16,098.75 : x
  2. Step 2: Convert to fraction form
    31,681.13/47,538.09 = 16,098.75/x
  3. Step 3: Cross multiply
    31,681.13x = 47,538.09 × 16,098.75
  4. Step 4: Simplify right side
    31,681.13x = 765,303,826.39
  5. Step 5: Solve for x
    x = 765,303,826.39/31,681.13
  6. Step 6: Final answer
    x = 24,156.46

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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.