Home / 55,642.51-76,813.27-31,764.57

Finding the Fourth Proportional to 55,642.51, 76,813.27 and 31,764.57

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Solution

The fourth proportional to 55,642.51, 76,813.27 and 31,764.57 is: 43,850.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,642.51 : 76,813.27 = 31,764.57 : x
  2. Step 2: Convert to fraction form
    55,642.51/76,813.27 = 31,764.57/x
  3. Step 3: Cross multiply
    55,642.51x = 76,813.27 × 31,764.57
  4. Step 4: Simplify right side
    55,642.51x = 2,439,940,491.84
  5. Step 5: Solve for x
    x = 2,439,940,491.84/55,642.51
  6. Step 6: Final answer
    x = 43,850.30

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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.