Home / 55,664.07-76,813.56-31,786.08

Finding the Fourth Proportional to 55,664.07, 76,813.56 and 31,786.08

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Solution

The fourth proportional to 55,664.07, 76,813.56 and 31,786.08 is: 43,863.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,664.07 : 76,813.56 = 31,786.08 : x
  2. Step 2: Convert to fraction form
    55,664.07/76,813.56 = 31,786.08/x
  3. Step 3: Cross multiply
    55,664.07x = 76,813.56 × 31,786.08
  4. Step 4: Simplify right side
    55,664.07x = 2,441,601,963.24
  5. Step 5: Solve for x
    x = 2,441,601,963.24/55,664.07
  6. Step 6: Final answer
    x = 43,863.16

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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.