Home / 34,890.88-52,207.02-20,858.68

Finding the Fourth Proportional to 34,890.88, 52,207.02 and 20,858.68

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Solution

The fourth proportional to 34,890.88, 52,207.02 and 20,858.68 is: 31,210.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,890.88 : 52,207.02 = 20,858.68 : x
  2. Step 2: Convert to fraction form
    34,890.88/52,207.02 = 20,858.68/x
  3. Step 3: Cross multiply
    34,890.88x = 52,207.02 × 20,858.68
  4. Step 4: Simplify right side
    34,890.88x = 1,088,969,523.93
  5. Step 5: Solve for x
    x = 1,088,969,523.93/34,890.88
  6. Step 6: Final answer
    x = 31,210.72

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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.