Home / 54,875.78-82,313.67-21,577.65

Finding the Fourth Proportional to 54,875.78, 82,313.67 and 21,577.65

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Solution

The fourth proportional to 54,875.78, 82,313.67 and 21,577.65 is: 32,366.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,875.78 : 82,313.67 = 21,577.65 : x
  2. Step 2: Convert to fraction form
    54,875.78/82,313.67 = 21,577.65/x
  3. Step 3: Cross multiply
    54,875.78x = 82,313.67 × 21,577.65
  4. Step 4: Simplify right side
    54,875.78x = 1,776,135,561.48
  5. Step 5: Solve for x
    x = 1,776,135,561.48/54,875.78
  6. Step 6: Final answer
    x = 32,366.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.