Home / 34,889.88-52,205.52-20,857.68

Finding the Fourth Proportional to 34,889.88, 52,205.52 and 20,857.68

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Solution

The fourth proportional to 34,889.88, 52,205.52 and 20,857.68 is: 31,209.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,889.88 : 52,205.52 = 20,857.68 : x
  2. Step 2: Convert to fraction form
    34,889.88/52,205.52 = 20,857.68/x
  3. Step 3: Cross multiply
    34,889.88x = 52,205.52 × 20,857.68
  4. Step 4: Simplify right side
    34,889.88x = 1,088,886,030.39
  5. Step 5: Solve for x
    x = 1,088,886,030.39/34,889.88
  6. Step 6: Final answer
    x = 31,209.22

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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.