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Finding the Fourth Proportional to 62,018.72, 92,911.01 and 36,642.51

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Solution

The fourth proportional to 62,018.72, 92,911.01 and 36,642.51 is: 54,894.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,018.72 : 92,911.01 = 36,642.51 : x
  2. Step 2: Convert to fraction form
    62,018.72/92,911.01 = 36,642.51/x
  3. Step 3: Cross multiply
    62,018.72x = 92,911.01 × 36,642.51
  4. Step 4: Simplify right side
    62,018.72x = 3,404,492,613.04
  5. Step 5: Solve for x
    x = 3,404,492,613.04/62,018.72
  6. Step 6: Final answer
    x = 54,894.60

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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.