Home / 34,281.64-47,309.03-20,134.72

Finding the Fourth Proportional to 34,281.64, 47,309.03 and 20,134.72

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Solution

The fourth proportional to 34,281.64, 47,309.03 and 20,134.72 is: 27,786.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,281.64 : 47,309.03 = 20,134.72 : x
  2. Step 2: Convert to fraction form
    34,281.64/47,309.03 = 20,134.72/x
  3. Step 3: Cross multiply
    34,281.64x = 47,309.03 × 20,134.72
  4. Step 4: Simplify right side
    34,281.64x = 952,553,971.85
  5. Step 5: Solve for x
    x = 952,553,971.85/34,281.64
  6. Step 6: Final answer
    x = 27,786.13

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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.