Home / 34,356.28-47,407.24-20,203.96

Finding the Fourth Proportional to 34,356.28, 47,407.24 and 20,203.96

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Solution

The fourth proportional to 34,356.28, 47,407.24 and 20,203.96 is: 27,878.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,356.28 : 47,407.24 = 20,203.96 : x
  2. Step 2: Convert to fraction form
    34,356.28/47,407.24 = 20,203.96/x
  3. Step 3: Cross multiply
    34,356.28x = 47,407.24 × 20,203.96
  4. Step 4: Simplify right side
    34,356.28x = 957,813,980.67
  5. Step 5: Solve for x
    x = 957,813,980.67/34,356.28
  6. Step 6: Final answer
    x = 27,878.86

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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.