Home / 47,210.20-70,827.18-13,928.92

Finding the Fourth Proportional to 47,210.20, 70,827.18 and 13,928.92

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Solution

The fourth proportional to 47,210.20, 70,827.18 and 13,928.92 is: 20,896.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,210.20 : 70,827.18 = 13,928.92 : x
  2. Step 2: Convert to fraction form
    47,210.20/70,827.18 = 13,928.92/x
  3. Step 3: Cross multiply
    47,210.20x = 70,827.18 × 13,928.92
  4. Step 4: Simplify right side
    47,210.20x = 986,546,124.05
  5. Step 5: Solve for x
    x = 986,546,124.05/47,210.20
  6. Step 6: Final answer
    x = 20,896.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.