Home / 55,530.34-76,631.79-30,379.84

Finding the Fourth Proportional to 55,530.34, 76,631.79 and 30,379.84

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Solution

The fourth proportional to 55,530.34, 76,631.79 and 30,379.84 is: 41,924.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,530.34 : 76,631.79 = 30,379.84 : x
  2. Step 2: Convert to fraction form
    55,530.34/76,631.79 = 30,379.84/x
  3. Step 3: Cross multiply
    55,530.34x = 76,631.79 × 30,379.84
  4. Step 4: Simplify right side
    55,530.34x = 2,328,061,519.11
  5. Step 5: Solve for x
    x = 2,328,061,519.11/55,530.34
  6. Step 6: Final answer
    x = 41,924.14

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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.