Home / 57,128.76-85,773.83-36,000.32

Finding the Fourth Proportional to 57,128.76, 85,773.83 and 36,000.32

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Solution

The fourth proportional to 57,128.76, 85,773.83 and 36,000.32 is: 54,051.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,128.76 : 85,773.83 = 36,000.32 : x
  2. Step 2: Convert to fraction form
    57,128.76/85,773.83 = 36,000.32/x
  3. Step 3: Cross multiply
    57,128.76x = 85,773.83 × 36,000.32
  4. Step 4: Simplify right side
    57,128.76x = 3,087,884,718.75
  5. Step 5: Solve for x
    x = 3,087,884,718.75/57,128.76
  6. Step 6: Final answer
    x = 54,051.32

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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.