Home / 55,330.12-76,354.90-30,179.08

Finding the Fourth Proportional to 55,330.12, 76,354.90 and 30,179.08

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Solution

The fourth proportional to 55,330.12, 76,354.90 and 30,179.08 is: 41,646.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,330.12 : 76,354.90 = 30,179.08 : x
  2. Step 2: Convert to fraction form
    55,330.12/76,354.90 = 30,179.08/x
  3. Step 3: Cross multiply
    55,330.12x = 76,354.90 × 30,179.08
  4. Step 4: Simplify right side
    55,330.12x = 2,304,320,635.49
  5. Step 5: Solve for x
    x = 2,304,320,635.49/55,330.12
  6. Step 6: Final answer
    x = 41,646.77

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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.