Home / 29,011.38-43,509.20-7,946.35

Finding the Fourth Proportional to 29,011.38, 43,509.20 and 7,946.35

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Solution

The fourth proportional to 29,011.38, 43,509.20 and 7,946.35 is: 11,917.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,011.38 : 43,509.20 = 7,946.35 : x
  2. Step 2: Convert to fraction form
    29,011.38/43,509.20 = 7,946.35/x
  3. Step 3: Cross multiply
    29,011.38x = 43,509.20 × 7,946.35
  4. Step 4: Simplify right side
    29,011.38x = 345,739,331.42
  5. Step 5: Solve for x
    x = 345,739,331.42/29,011.38
  6. Step 6: Final answer
    x = 11,917.37

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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.