Home / 34,479.89-47,579.32-19,371.36

Finding the Fourth Proportional to 34,479.89, 47,579.32 and 19,371.36

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Solution

The fourth proportional to 34,479.89, 47,579.32 and 19,371.36 is: 26,730.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,479.89 : 47,579.32 = 19,371.36 : x
  2. Step 2: Convert to fraction form
    34,479.89/47,579.32 = 19,371.36/x
  3. Step 3: Cross multiply
    34,479.89x = 47,579.32 × 19,371.36
  4. Step 4: Simplify right side
    34,479.89x = 921,676,136.28
  5. Step 5: Solve for x
    x = 921,676,136.28/34,479.89
  6. Step 6: Final answer
    x = 26,730.83

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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.