Home / 50,636.72-75,931.99-21,036.89

Finding the Fourth Proportional to 50,636.72, 75,931.99 and 21,036.89

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Solution

The fourth proportional to 50,636.72, 75,931.99 and 21,036.89 is: 31,545.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,636.72 : 75,931.99 = 21,036.89 : x
  2. Step 2: Convert to fraction form
    50,636.72/75,931.99 = 21,036.89/x
  3. Step 3: Cross multiply
    50,636.72x = 75,931.99 × 21,036.89
  4. Step 4: Simplify right side
    50,636.72x = 1,597,372,921.11
  5. Step 5: Solve for x
    x = 1,597,372,921.11/50,636.72
  6. Step 6: Final answer
    x = 31,545.74

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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.