Home / 29,139.35-43,703.69-7,792.34

Finding the Fourth Proportional to 29,139.35, 43,703.69 and 7,792.34

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Solution

The fourth proportional to 29,139.35, 43,703.69 and 7,792.34 is: 11,687.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,139.35 : 43,703.69 = 7,792.34 : x
  2. Step 2: Convert to fraction form
    29,139.35/43,703.69 = 7,792.34/x
  3. Step 3: Cross multiply
    29,139.35x = 43,703.69 × 7,792.34
  4. Step 4: Simplify right side
    29,139.35x = 340,553,754.25
  5. Step 5: Solve for x
    x = 340,553,754.25/29,139.35
  6. Step 6: Final answer
    x = 11,687.08

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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.