Home / 31,615.47-47,446.60-14,975.54

Finding the Fourth Proportional to 31,615.47, 47,446.60 and 14,975.54

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Solution

The fourth proportional to 31,615.47, 47,446.60 and 14,975.54 is: 22,474.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,615.47 : 47,446.60 = 14,975.54 : x
  2. Step 2: Convert to fraction form
    31,615.47/47,446.60 = 14,975.54/x
  3. Step 3: Cross multiply
    31,615.47x = 47,446.60 × 14,975.54
  4. Step 4: Simplify right side
    31,615.47x = 710,538,499.90
  5. Step 5: Solve for x
    x = 710,538,499.90/31,615.47
  6. Step 6: Final answer
    x = 22,474.39

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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.