Home / 34,270.40-51,454.20-21,148.40

Finding the Fourth Proportional to 34,270.40, 51,454.20 and 21,148.40

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Solution

The fourth proportional to 34,270.40, 51,454.20 and 21,148.40 is: 31,752.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,270.40 : 51,454.20 = 21,148.40 : x
  2. Step 2: Convert to fraction form
    34,270.40/51,454.20 = 21,148.40/x
  3. Step 3: Cross multiply
    34,270.40x = 51,454.20 × 21,148.40
  4. Step 4: Simplify right side
    34,270.40x = 1,088,174,003.28
  5. Step 5: Solve for x
    x = 1,088,174,003.28/34,270.40
  6. Step 6: Final answer
    x = 31,752.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.