Home / 55,668.73-76,814.49-31,790.35

Finding the Fourth Proportional to 55,668.73, 76,814.49 and 31,790.35

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Solution

The fourth proportional to 55,668.73, 76,814.49 and 31,790.35 is: 43,865.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,668.73 : 76,814.49 = 31,790.35 : x
  2. Step 2: Convert to fraction form
    55,668.73/76,814.49 = 31,790.35/x
  3. Step 3: Cross multiply
    55,668.73x = 76,814.49 × 31,790.35
  4. Step 4: Simplify right side
    55,668.73x = 2,441,959,522.17
  5. Step 5: Solve for x
    x = 2,441,959,522.17/55,668.73
  6. Step 6: Final answer
    x = 43,865.91

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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.