Home / 19,931.42-29,904.03-8,845.88

Finding the Fourth Proportional to 19,931.42, 29,904.03 and 8,845.88

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Solution

The fourth proportional to 19,931.42, 29,904.03 and 8,845.88 is: 13,271.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,931.42 : 29,904.03 = 8,845.88 : x
  2. Step 2: Convert to fraction form
    19,931.42/29,904.03 = 8,845.88/x
  3. Step 3: Cross multiply
    19,931.42x = 29,904.03 × 8,845.88
  4. Step 4: Simplify right side
    19,931.42x = 264,527,311.38
  5. Step 5: Solve for x
    x = 264,527,311.38/19,931.42
  6. Step 6: Final answer
    x = 13,271.87

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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.