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Finding the Fourth Proportional to 34,527.65, 47,647.89 and 19,623.65

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Solution

The fourth proportional to 34,527.65, 47,647.89 and 19,623.65 is: 27,080.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,527.65 : 47,647.89 = 19,623.65 : x
  2. Step 2: Convert to fraction form
    34,527.65/47,647.89 = 19,623.65/x
  3. Step 3: Cross multiply
    34,527.65x = 47,647.89 × 19,623.65
  4. Step 4: Simplify right side
    34,527.65x = 935,025,278.36
  5. Step 5: Solve for x
    x = 935,025,278.36/34,527.65
  6. Step 6: Final answer
    x = 27,080.48

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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.