Home / 29,079.08-43,637.72-15,940.76

Finding the Fourth Proportional to 29,079.08, 43,637.72 and 15,940.76

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Solution

The fourth proportional to 29,079.08, 43,637.72 and 15,940.76 is: 23,921.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,079.08 : 43,637.72 = 15,940.76 : x
  2. Step 2: Convert to fraction form
    29,079.08/43,637.72 = 15,940.76/x
  3. Step 3: Cross multiply
    29,079.08x = 43,637.72 × 15,940.76
  4. Step 4: Simplify right side
    29,079.08x = 695,618,421.47
  5. Step 5: Solve for x
    x = 695,618,421.47/29,079.08
  6. Step 6: Final answer
    x = 23,921.61

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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.