Home / 34,165.06-47,145.75-19,823.78

Finding the Fourth Proportional to 34,165.06, 47,145.75 and 19,823.78

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Solution

The fourth proportional to 34,165.06, 47,145.75 and 19,823.78 is: 27,355.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,165.06 : 47,145.75 = 19,823.78 : x
  2. Step 2: Convert to fraction form
    34,165.06/47,145.75 = 19,823.78/x
  3. Step 3: Cross multiply
    34,165.06x = 47,145.75 × 19,823.78
  4. Step 4: Simplify right side
    34,165.06x = 934,606,975.94
  5. Step 5: Solve for x
    x = 934,606,975.94/34,165.06
  6. Step 6: Final answer
    x = 27,355.64

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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.