Home / 34,619.34-47,790.63-20,277.18

Finding the Fourth Proportional to 34,619.34, 47,790.63 and 20,277.18

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Solution

The fourth proportional to 34,619.34, 47,790.63 and 20,277.18 is: 27,991.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,619.34 : 47,790.63 = 20,277.18 : x
  2. Step 2: Convert to fraction form
    34,619.34/47,790.63 = 20,277.18/x
  3. Step 3: Cross multiply
    34,619.34x = 47,790.63 × 20,277.18
  4. Step 4: Simplify right side
    34,619.34x = 969,059,206.82
  5. Step 5: Solve for x
    x = 969,059,206.82/34,619.34
  6. Step 6: Final answer
    x = 27,991.84

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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.