Home / 34,252.40-51,427.20-21,130.40

Finding the Fourth Proportional to 34,252.40, 51,427.20 and 21,130.40

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Solution

The fourth proportional to 34,252.40, 51,427.20 and 21,130.40 is: 31,725.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,252.40 : 51,427.20 = 21,130.40 : x
  2. Step 2: Convert to fraction form
    34,252.40/51,427.20 = 21,130.40/x
  3. Step 3: Cross multiply
    34,252.40x = 51,427.20 × 21,130.40
  4. Step 4: Simplify right side
    34,252.40x = 1,086,677,306.88
  5. Step 5: Solve for x
    x = 1,086,677,306.88/34,252.40
  6. Step 6: Final answer
    x = 31,725.58

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1.5x scale

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.