Home / 31,606.30-47,411.27-11,885.03

Finding the Fourth Proportional to 31,606.30, 47,411.27 and 11,885.03

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Solution

The fourth proportional to 31,606.30, 47,411.27 and 11,885.03 is: 17,828.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,606.30 : 47,411.27 = 11,885.03 : x
  2. Step 2: Convert to fraction form
    31,606.30/47,411.27 = 11,885.03/x
  3. Step 3: Cross multiply
    31,606.30x = 47,411.27 × 11,885.03
  4. Step 4: Simplify right side
    31,606.30x = 563,484,136.66
  5. Step 5: Solve for x
    x = 563,484,136.66/31,606.30
  6. Step 6: Final answer
    x = 17,828.22

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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.