Home / 55,113.54-76,064.41-39,849.65

Finding the Fourth Proportional to 55,113.54, 76,064.41 and 39,849.65

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Solution

The fourth proportional to 55,113.54, 76,064.41 and 39,849.65 is: 54,998.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,113.54 : 76,064.41 = 39,849.65 : x
  2. Step 2: Convert to fraction form
    55,113.54/76,064.41 = 39,849.65/x
  3. Step 3: Cross multiply
    55,113.54x = 76,064.41 × 39,849.65
  4. Step 4: Simplify right side
    55,113.54x = 3,031,140,206.49
  5. Step 5: Solve for x
    x = 3,031,140,206.49/55,113.54
  6. Step 6: Final answer
    x = 54,998.10

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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.