Home / 34,749.88-47,957.28-19,642.65

Finding the Fourth Proportional to 34,749.88, 47,957.28 and 19,642.65

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Solution

The fourth proportional to 34,749.88, 47,957.28 and 19,642.65 is: 27,108.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,749.88 : 47,957.28 = 19,642.65 : x
  2. Step 2: Convert to fraction form
    34,749.88/47,957.28 = 19,642.65/x
  3. Step 3: Cross multiply
    34,749.88x = 47,957.28 × 19,642.65
  4. Step 4: Simplify right side
    34,749.88x = 942,007,812.49
  5. Step 5: Solve for x
    x = 942,007,812.49/34,749.88
  6. Step 6: Final answer
    x = 27,108.23

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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.