Home / 34,395.18-47,467.89-19,287.78

Finding the Fourth Proportional to 34,395.18, 47,467.89 and 19,287.78

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Solution

The fourth proportional to 34,395.18, 47,467.89 and 19,287.78 is: 26,618.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,395.18 : 47,467.89 = 19,287.78 : x
  2. Step 2: Convert to fraction form
    34,395.18/47,467.89 = 19,287.78/x
  3. Step 3: Cross multiply
    34,395.18x = 47,467.89 × 19,287.78
  4. Step 4: Simplify right side
    34,395.18x = 915,550,219.38
  5. Step 5: Solve for x
    x = 915,550,219.38/34,395.18
  6. Step 6: Final answer
    x = 26,618.56

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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.