Home / 47,804.48-65,968.80-27,664.64

Finding the Fourth Proportional to 47,804.48, 65,968.80 and 27,664.64

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Solution

The fourth proportional to 47,804.48, 65,968.80 and 27,664.64 is: 38,176.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,804.48 : 65,968.80 = 27,664.64 : x
  2. Step 2: Convert to fraction form
    47,804.48/65,968.80 = 27,664.64/x
  3. Step 3: Cross multiply
    47,804.48x = 65,968.80 × 27,664.64
  4. Step 4: Simplify right side
    47,804.48x = 1,825,003,103.23
  5. Step 5: Solve for x
    x = 1,825,003,103.23/47,804.48
  6. Step 6: Final answer
    x = 38,176.40

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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.