Home / 34,200.96-51,306.84-13,140.16

Finding the Fourth Proportional to 34,200.96, 51,306.84 and 13,140.16

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Solution

The fourth proportional to 34,200.96, 51,306.84 and 13,140.16 is: 19,712.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,200.96 : 51,306.84 = 13,140.16 : x
  2. Step 2: Convert to fraction form
    34,200.96/51,306.84 = 13,140.16/x
  3. Step 3: Cross multiply
    34,200.96x = 51,306.84 × 13,140.16
  4. Step 4: Simplify right side
    34,200.96x = 674,180,086.69
  5. Step 5: Solve for x
    x = 674,180,086.69/34,200.96
  6. Step 6: Final answer
    x = 19,712.31

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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.