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Finding the Fourth Proportional to 57,802.72, 79,717.84 and 37,652

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Solution

The fourth proportional to 57,802.72, 79,717.84 and 37,652 is: 51,927.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,802.72 : 79,717.84 = 37,652 : x
  2. Step 2: Convert to fraction form
    57,802.72/79,717.84 = 37,652/x
  3. Step 3: Cross multiply
    57,802.72x = 79,717.84 × 37,652
  4. Step 4: Simplify right side
    57,802.72x = 3,001,536,111.68
  5. Step 5: Solve for x
    x = 3,001,536,111.68/57,802.72
  6. Step 6: Final answer
    x = 51,927.25

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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.