Home / 55,538.88-76,563.92-39,595.65

Finding the Fourth Proportional to 55,538.88, 76,563.92 and 39,595.65

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Solution

The fourth proportional to 55,538.88, 76,563.92 and 39,595.65 is: 54,585.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,538.88 : 76,563.92 = 39,595.65 : x
  2. Step 2: Convert to fraction form
    55,538.88/76,563.92 = 39,595.65/x
  3. Step 3: Cross multiply
    55,538.88x = 76,563.92 × 39,595.65
  4. Step 4: Simplify right side
    55,538.88x = 3,031,598,277.94
  5. Step 5: Solve for x
    x = 3,031,598,277.94/55,538.88
  6. Step 6: Final answer
    x = 54,585.15

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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.