Home / 55,700.58-76,859.73-31,828.80

Finding the Fourth Proportional to 55,700.58, 76,859.73 and 31,828.80

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Solution

The fourth proportional to 55,700.58, 76,859.73 and 31,828.80 is: 43,919.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,700.58 : 76,859.73 = 31,828.80 : x
  2. Step 2: Convert to fraction form
    55,700.58/76,859.73 = 31,828.80/x
  3. Step 3: Cross multiply
    55,700.58x = 76,859.73 × 31,828.80
  4. Step 4: Simplify right side
    55,700.58x = 2,446,352,974.22
  5. Step 5: Solve for x
    x = 2,446,352,974.22/55,700.58
  6. Step 6: Final answer
    x = 43,919.70

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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.