Home / 34,721.38-47,912.08-19,405.10

Finding the Fourth Proportional to 34,721.38, 47,912.08 and 19,405.10

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Solution

The fourth proportional to 34,721.38, 47,912.08 and 19,405.10 is: 26,777.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,721.38 : 47,912.08 = 19,405.10 : x
  2. Step 2: Convert to fraction form
    34,721.38/47,912.08 = 19,405.10/x
  3. Step 3: Cross multiply
    34,721.38x = 47,912.08 × 19,405.10
  4. Step 4: Simplify right side
    34,721.38x = 929,738,703.61
  5. Step 5: Solve for x
    x = 929,738,703.61/34,721.38
  6. Step 6: Final answer
    x = 26,777.12

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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.