Home / 34,598.72-47,747.36-21,176

Finding the Fourth Proportional to 34,598.72, 47,747.36 and 21,176

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Solution

The fourth proportional to 34,598.72, 47,747.36 and 21,176 is: 29,223.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,598.72 : 47,747.36 = 21,176 : x
  2. Step 2: Convert to fraction form
    34,598.72/47,747.36 = 21,176/x
  3. Step 3: Cross multiply
    34,598.72x = 47,747.36 × 21,176
  4. Step 4: Simplify right side
    34,598.72x = 1,011,098,095.36
  5. Step 5: Solve for x
    x = 1,011,098,095.36/34,598.72
  6. Step 6: Final answer
    x = 29,223.57

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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.