Home / 34,708.32-47,895.84-20,558.88

Finding the Fourth Proportional to 34,708.32, 47,895.84 and 20,558.88

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Solution

The fourth proportional to 34,708.32, 47,895.84 and 20,558.88 is: 28,370.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,708.32 : 47,895.84 = 20,558.88 : x
  2. Step 2: Convert to fraction form
    34,708.32/47,895.84 = 20,558.88/x
  3. Step 3: Cross multiply
    34,708.32x = 47,895.84 × 20,558.88
  4. Step 4: Simplify right side
    34,708.32x = 984,684,827.06
  5. Step 5: Solve for x
    x = 984,684,827.06/34,708.32
  6. Step 6: Final answer
    x = 28,370.28

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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.