Home / 46,179.72-69,255-19,877.40

Finding the Fourth Proportional to 46,179.72, 69,255 and 19,877.40

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Solution

The fourth proportional to 46,179.72, 69,255 and 19,877.40 is: 29,809.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,179.72 : 69,255 = 19,877.40 : x
  2. Step 2: Convert to fraction form
    46,179.72/69,255 = 19,877.40/x
  3. Step 3: Cross multiply
    46,179.72x = 69,255 × 19,877.40
  4. Step 4: Simplify right side
    46,179.72x = 1,376,609,337
  5. Step 5: Solve for x
    x = 1,376,609,337/46,179.72
  6. Step 6: Final answer
    x = 29,809.82

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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.