Home / 34,722.42-47,917.17-18,807

Finding the Fourth Proportional to 34,722.42, 47,917.17 and 18,807

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Solution

The fourth proportional to 34,722.42, 47,917.17 and 18,807 is: 25,953.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,722.42 : 47,917.17 = 18,807 : x
  2. Step 2: Convert to fraction form
    34,722.42/47,917.17 = 18,807/x
  3. Step 3: Cross multiply
    34,722.42x = 47,917.17 × 18,807
  4. Step 4: Simplify right side
    34,722.42x = 901,178,216.19
  5. Step 5: Solve for x
    x = 901,178,216.19/34,722.42
  6. Step 6: Final answer
    x = 25,953.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.