Home / 37,459.12-51,696-21,543.22

Finding the Fourth Proportional to 37,459.12, 51,696 and 21,543.22

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Solution

The fourth proportional to 37,459.12, 51,696 and 21,543.22 is: 29,731.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,459.12 : 51,696 = 21,543.22 : x
  2. Step 2: Convert to fraction form
    37,459.12/51,696 = 21,543.22/x
  3. Step 3: Cross multiply
    37,459.12x = 51,696 × 21,543.22
  4. Step 4: Simplify right side
    37,459.12x = 1,113,698,301.12
  5. Step 5: Solve for x
    x = 1,113,698,301.12/37,459.12
  6. Step 6: Final answer
    x = 29,731.03

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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.