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Finding the Fourth Proportional to 47,777.67, 65,931.03 and 26,558.10

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Solution

The fourth proportional to 47,777.67, 65,931.03 and 26,558.10 is: 36,648.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,777.67 : 65,931.03 = 26,558.10 : x
  2. Step 2: Convert to fraction form
    47,777.67/65,931.03 = 26,558.10/x
  3. Step 3: Cross multiply
    47,777.67x = 65,931.03 × 26,558.10
  4. Step 4: Simplify right side
    47,777.67x = 1,751,002,887.84
  5. Step 5: Solve for x
    x = 1,751,002,887.84/47,777.67
  6. Step 6: Final answer
    x = 36,648.98

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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.