Home / 46,139.92-69,155.89-21,182.38

Finding the Fourth Proportional to 46,139.92, 69,155.89 and 21,182.38

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Solution

The fourth proportional to 46,139.92, 69,155.89 and 21,182.38 is: 31,748.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,139.92 : 69,155.89 = 21,182.38 : x
  2. Step 2: Convert to fraction form
    46,139.92/69,155.89 = 21,182.38/x
  3. Step 3: Cross multiply
    46,139.92x = 69,155.89 × 21,182.38
  4. Step 4: Simplify right side
    46,139.92x = 1,464,886,115.37
  5. Step 5: Solve for x
    x = 1,464,886,115.37/46,139.92
  6. Step 6: Final answer
    x = 31,748.78

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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.