Home / 55,727.40-76,903.81-31,854.59

Finding the Fourth Proportional to 55,727.40, 76,903.81 and 31,854.59

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Solution

The fourth proportional to 55,727.40, 76,903.81 and 31,854.59 is: 43,959.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,727.40 : 76,903.81 = 31,854.59 : x
  2. Step 2: Convert to fraction form
    55,727.40/76,903.81 = 31,854.59/x
  3. Step 3: Cross multiply
    55,727.40x = 76,903.81 × 31,854.59
  4. Step 4: Simplify right side
    55,727.40x = 2,449,739,161.22
  5. Step 5: Solve for x
    x = 2,449,739,161.22/55,727.40
  6. Step 6: Final answer
    x = 43,959.33

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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.