Home / 31,454.60-47,203.74-20,333.70

Finding the Fourth Proportional to 31,454.60, 47,203.74 and 20,333.70

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Solution

The fourth proportional to 31,454.60, 47,203.74 and 20,333.70 is: 30,514.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,454.60 : 47,203.74 = 20,333.70 : x
  2. Step 2: Convert to fraction form
    31,454.60/47,203.74 = 20,333.70/x
  3. Step 3: Cross multiply
    31,454.60x = 47,203.74 × 20,333.70
  4. Step 4: Simplify right side
    31,454.60x = 959,826,688.04
  5. Step 5: Solve for x
    x = 959,826,688.04/31,454.60
  6. Step 6: Final answer
    x = 30,514.67

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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.