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Finding the Fourth Proportional to 51,699.77, 71,372.78 and 34,792.91

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Solution

The fourth proportional to 51,699.77, 71,372.78 and 34,792.91 is: 48,032.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,699.77 : 71,372.78 = 34,792.91 : x
  2. Step 2: Convert to fraction form
    51,699.77/71,372.78 = 34,792.91/x
  3. Step 3: Cross multiply
    51,699.77x = 71,372.78 × 34,792.91
  4. Step 4: Simplify right side
    51,699.77x = 2,483,266,180.16
  5. Step 5: Solve for x
    x = 2,483,266,180.16/51,699.77
  6. Step 6: Final answer
    x = 48,032.45

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1.5x scale

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.