Home / 34,434.06-47,511.27-20,288.22

Finding the Fourth Proportional to 34,434.06, 47,511.27 and 20,288.22

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Solution

The fourth proportional to 34,434.06, 47,511.27 and 20,288.22 is: 27,993.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,434.06 : 47,511.27 = 20,288.22 : x
  2. Step 2: Convert to fraction form
    34,434.06/47,511.27 = 20,288.22/x
  3. Step 3: Cross multiply
    34,434.06x = 47,511.27 × 20,288.22
  4. Step 4: Simplify right side
    34,434.06x = 963,919,098.24
  5. Step 5: Solve for x
    x = 963,919,098.24/34,434.06
  6. Step 6: Final answer
    x = 27,993.19

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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.