Home / 29,310.89-43,966.36-7,124.12

Finding the Fourth Proportional to 29,310.89, 43,966.36 and 7,124.12

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Solution

The fourth proportional to 29,310.89, 43,966.36 and 7,124.12 is: 10,686.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,310.89 : 43,966.36 = 7,124.12 : x
  2. Step 2: Convert to fraction form
    29,310.89/43,966.36 = 7,124.12/x
  3. Step 3: Cross multiply
    29,310.89x = 43,966.36 × 7,124.12
  4. Step 4: Simplify right side
    29,310.89x = 313,221,624.60
  5. Step 5: Solve for x
    x = 313,221,624.60/29,310.89
  6. Step 6: Final answer
    x = 10,686.19

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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.