Home / 54,186.75-74,775.96-30,312.91

Finding the Fourth Proportional to 54,186.75, 74,775.96 and 30,312.91

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Solution

The fourth proportional to 54,186.75, 74,775.96 and 30,312.91 is: 41,830.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,186.75 : 74,775.96 = 30,312.91 : x
  2. Step 2: Convert to fraction form
    54,186.75/74,775.96 = 30,312.91/x
  3. Step 3: Cross multiply
    54,186.75x = 74,775.96 × 30,312.91
  4. Step 4: Simplify right side
    54,186.75x = 2,266,676,945.64
  5. Step 5: Solve for x
    x = 2,266,676,945.64/54,186.75
  6. Step 6: Final answer
    x = 41,830.83

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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.