Home / 47,654.78-65,758.86-27,518.16

Finding the Fourth Proportional to 47,654.78, 65,758.86 and 27,518.16

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Solution

The fourth proportional to 47,654.78, 65,758.86 and 27,518.16 is: 37,972.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,654.78 : 65,758.86 = 27,518.16 : x
  2. Step 2: Convert to fraction form
    47,654.78/65,758.86 = 27,518.16/x
  3. Step 3: Cross multiply
    47,654.78x = 65,758.86 × 27,518.16
  4. Step 4: Simplify right side
    47,654.78x = 1,809,562,830.90
  5. Step 5: Solve for x
    x = 1,809,562,830.90/47,654.78
  6. Step 6: Final answer
    x = 37,972.33

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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.