Home / 20,729.46-31,085.04-5,935.02

Finding the Fourth Proportional to 20,729.46, 31,085.04 and 5,935.02

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Solution

The fourth proportional to 20,729.46, 31,085.04 and 5,935.02 is: 8,899.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,729.46 : 31,085.04 = 5,935.02 : x
  2. Step 2: Convert to fraction form
    20,729.46/31,085.04 = 5,935.02/x
  3. Step 3: Cross multiply
    20,729.46x = 31,085.04 × 5,935.02
  4. Step 4: Simplify right side
    20,729.46x = 184,490,334.10
  5. Step 5: Solve for x
    x = 184,490,334.10/20,729.46
  6. Step 6: Final answer
    x = 8,899.91

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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.