Home / 31,248-43,136.46-19,933.02

Finding the Fourth Proportional to 31,248, 43,136.46 and 19,933.02

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Solution

The fourth proportional to 31,248, 43,136.46 and 19,933.02 is: 27,516.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,248 : 43,136.46 = 19,933.02 : x
  2. Step 2: Convert to fraction form
    31,248/43,136.46 = 19,933.02/x
  3. Step 3: Cross multiply
    31,248x = 43,136.46 × 19,933.02
  4. Step 4: Simplify right side
    31,248x = 859,839,919.91
  5. Step 5: Solve for x
    x = 859,839,919.91/31,248
  6. Step 6: Final answer
    x = 27,516.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.