Home / 55,301.04-76,315.44-30,150.56

Finding the Fourth Proportional to 55,301.04, 76,315.44 and 30,150.56

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Solution

The fourth proportional to 55,301.04, 76,315.44 and 30,150.56 is: 41,607.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,301.04 : 76,315.44 = 30,150.56 : x
  2. Step 2: Convert to fraction form
    55,301.04/76,315.44 = 30,150.56/x
  3. Step 3: Cross multiply
    55,301.04x = 76,315.44 × 30,150.56
  4. Step 4: Simplify right side
    55,301.04x = 2,300,953,252.65
  5. Step 5: Solve for x
    x = 2,300,953,252.65/55,301.04
  6. Step 6: Final answer
    x = 41,607.78

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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.