Home / 34,378.20-51,567.30-21,256.20

Finding the Fourth Proportional to 34,378.20, 51,567.30 and 21,256.20

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Solution

The fourth proportional to 34,378.20, 51,567.30 and 21,256.20 is: 31,884.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,378.20 : 51,567.30 = 21,256.20 : x
  2. Step 2: Convert to fraction form
    34,378.20/51,567.30 = 21,256.20/x
  3. Step 3: Cross multiply
    34,378.20x = 51,567.30 × 21,256.20
  4. Step 4: Simplify right side
    34,378.20x = 1,096,124,842.26
  5. Step 5: Solve for x
    x = 1,096,124,842.26/34,378.20
  6. Step 6: Final answer
    x = 31,884.30

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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.