Home / 31,615.58-47,423.37-8,241.95

Finding the Fourth Proportional to 31,615.58, 47,423.37 and 8,241.95

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Solution

The fourth proportional to 31,615.58, 47,423.37 and 8,241.95 is: 12,362.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,615.58 : 47,423.37 = 8,241.95 : x
  2. Step 2: Convert to fraction form
    31,615.58/47,423.37 = 8,241.95/x
  3. Step 3: Cross multiply
    31,615.58x = 47,423.37 × 8,241.95
  4. Step 4: Simplify right side
    31,615.58x = 390,861,044.37
  5. Step 5: Solve for x
    x = 390,861,044.37/31,615.58
  6. Step 6: Final answer
    x = 12,362.93

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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.