Home / 57,327.55-85,939.48-20,382.91

Finding the Fourth Proportional to 57,327.55, 85,939.48 and 20,382.91

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Solution

The fourth proportional to 57,327.55, 85,939.48 and 20,382.91 is: 30,555.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,327.55 : 85,939.48 = 20,382.91 : x
  2. Step 2: Convert to fraction form
    57,327.55/85,939.48 = 20,382.91/x
  3. Step 3: Cross multiply
    57,327.55x = 85,939.48 × 20,382.91
  4. Step 4: Simplify right side
    57,327.55x = 1,751,696,686.29
  5. Step 5: Solve for x
    x = 1,751,696,686.29/57,327.55
  6. Step 6: Final answer
    x = 30,555.93

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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.