Home / 31,823.27-47,735.15-9,638.38

Finding the Fourth Proportional to 31,823.27, 47,735.15 and 9,638.38

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Solution

The fourth proportional to 31,823.27, 47,735.15 and 9,638.38 is: 14,457.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,823.27 : 47,735.15 = 9,638.38 : x
  2. Step 2: Convert to fraction form
    31,823.27/47,735.15 = 9,638.38/x
  3. Step 3: Cross multiply
    31,823.27x = 47,735.15 × 9,638.38
  4. Step 4: Simplify right side
    31,823.27x = 460,089,515.06
  5. Step 5: Solve for x
    x = 460,089,515.06/31,823.27
  6. Step 6: Final answer
    x = 14,457.64

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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.