Home / 29,327.37-43,990.68-7,140.78

Finding the Fourth Proportional to 29,327.37, 43,990.68 and 7,140.78

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Solution

The fourth proportional to 29,327.37, 43,990.68 and 7,140.78 is: 10,711.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,327.37 : 43,990.68 = 7,140.78 : x
  2. Step 2: Convert to fraction form
    29,327.37/43,990.68 = 7,140.78/x
  3. Step 3: Cross multiply
    29,327.37x = 43,990.68 × 7,140.78
  4. Step 4: Simplify right side
    29,327.37x = 314,127,767.93
  5. Step 5: Solve for x
    x = 314,127,767.93/29,327.37
  6. Step 6: Final answer
    x = 10,711.08

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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.