Home / 31,636.71-47,459.25-11,643.48

Finding the Fourth Proportional to 31,636.71, 47,459.25 and 11,643.48

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Solution

The fourth proportional to 31,636.71, 47,459.25 and 11,643.48 is: 17,466.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,636.71 : 47,459.25 = 11,643.48 : x
  2. Step 2: Convert to fraction form
    31,636.71/47,459.25 = 11,643.48/x
  3. Step 3: Cross multiply
    31,636.71x = 47,459.25 × 11,643.48
  4. Step 4: Simplify right side
    31,636.71x = 552,590,828.19
  5. Step 5: Solve for x
    x = 552,590,828.19/31,636.71
  6. Step 6: Final answer
    x = 17,466.76

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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.