Home / 51,899.39-71,621.37-29,238.65

Finding the Fourth Proportional to 51,899.39, 71,621.37 and 29,238.65

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Solution

The fourth proportional to 51,899.39, 71,621.37 and 29,238.65 is: 40,349.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,899.39 : 71,621.37 = 29,238.65 : x
  2. Step 2: Convert to fraction form
    51,899.39/71,621.37 = 29,238.65/x
  3. Step 3: Cross multiply
    51,899.39x = 71,621.37 × 29,238.65
  4. Step 4: Simplify right side
    51,899.39x = 2,094,111,811.84
  5. Step 5: Solve for x
    x = 2,094,111,811.84/51,899.39
  6. Step 6: Final answer
    x = 40,349.45

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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.