Home / 49,646.72-74,484.66-20,085.77

Finding the Fourth Proportional to 49,646.72, 74,484.66 and 20,085.77

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Solution

The fourth proportional to 49,646.72, 74,484.66 and 20,085.77 is: 30,134.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,646.72 : 74,484.66 = 20,085.77 : x
  2. Step 2: Convert to fraction form
    49,646.72/74,484.66 = 20,085.77/x
  3. Step 3: Cross multiply
    49,646.72x = 74,484.66 × 20,085.77
  4. Step 4: Simplify right side
    49,646.72x = 1,496,082,010.82
  5. Step 5: Solve for x
    x = 1,496,082,010.82/49,646.72
  6. Step 6: Final answer
    x = 30,134.56

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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.