Home / 43,959-65,941.54-17,663.72

Finding the Fourth Proportional to 43,959, 65,941.54 and 17,663.72

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Solution

The fourth proportional to 43,959, 65,941.54 and 17,663.72 is: 26,496.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,959 : 65,941.54 = 17,663.72 : x
  2. Step 2: Convert to fraction form
    43,959/65,941.54 = 17,663.72/x
  3. Step 3: Cross multiply
    43,959x = 65,941.54 × 17,663.72
  4. Step 4: Simplify right side
    43,959x = 1,164,772,898.93
  5. Step 5: Solve for x
    x = 1,164,772,898.93/43,959
  6. Step 6: Final answer
    x = 26,496.80

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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.