Home / 47,228.15-70,858.62-20,951.34

Finding the Fourth Proportional to 47,228.15, 70,858.62 and 20,951.34

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Solution

The fourth proportional to 47,228.15, 70,858.62 and 20,951.34 is: 31,434.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,228.15 : 70,858.62 = 20,951.34 : x
  2. Step 2: Convert to fraction form
    47,228.15/70,858.62 = 20,951.34/x
  3. Step 3: Cross multiply
    47,228.15x = 70,858.62 × 20,951.34
  4. Step 4: Simplify right side
    47,228.15x = 1,484,583,039.55
  5. Step 5: Solve for x
    x = 1,484,583,039.55/47,228.15
  6. Step 6: Final answer
    x = 31,434.29

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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.