Home / 55,703.68-76,875.94-30,558.04

Finding the Fourth Proportional to 55,703.68, 76,875.94 and 30,558.04

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Solution

The fourth proportional to 55,703.68, 76,875.94 and 30,558.04 is: 42,172.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,703.68 : 76,875.94 = 30,558.04 : x
  2. Step 2: Convert to fraction form
    55,703.68/76,875.94 = 30,558.04/x
  3. Step 3: Cross multiply
    55,703.68x = 76,875.94 × 30,558.04
  4. Step 4: Simplify right side
    55,703.68x = 2,349,178,049.56
  5. Step 5: Solve for x
    x = 2,349,178,049.56/55,703.68
  6. Step 6: Final answer
    x = 42,172.76

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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.