Home / 47,857.75-66,045.87-26,638.38

Finding the Fourth Proportional to 47,857.75, 66,045.87 and 26,638.38

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Solution

The fourth proportional to 47,857.75, 66,045.87 and 26,638.38 is: 36,762.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,857.75 : 66,045.87 = 26,638.38 : x
  2. Step 2: Convert to fraction form
    47,857.75/66,045.87 = 26,638.38/x
  3. Step 3: Cross multiply
    47,857.75x = 66,045.87 × 26,638.38
  4. Step 4: Simplify right side
    47,857.75x = 1,759,354,982.49
  5. Step 5: Solve for x
    x = 1,759,354,982.49/47,857.75
  6. Step 6: Final answer
    x = 36,762.18

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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.