Home / 31,742.89-47,615.01-10,683.57

Finding the Fourth Proportional to 31,742.89, 47,615.01 and 10,683.57

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Solution

The fourth proportional to 31,742.89, 47,615.01 and 10,683.57 is: 16,025.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,742.89 : 47,615.01 = 10,683.57 : x
  2. Step 2: Convert to fraction form
    31,742.89/47,615.01 = 10,683.57/x
  3. Step 3: Cross multiply
    31,742.89x = 47,615.01 × 10,683.57
  4. Step 4: Simplify right side
    31,742.89x = 508,698,292.39
  5. Step 5: Solve for x
    x = 508,698,292.39/31,742.89
  6. Step 6: Final answer
    x = 16,025.58

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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.