Home / 31,327.48-46,990.61-7,635.12

Finding the Fourth Proportional to 31,327.48, 46,990.61 and 7,635.12

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Solution

The fourth proportional to 31,327.48, 46,990.61 and 7,635.12 is: 11,452.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,327.48 : 46,990.61 = 7,635.12 : x
  2. Step 2: Convert to fraction form
    31,327.48/46,990.61 = 7,635.12/x
  3. Step 3: Cross multiply
    31,327.48x = 46,990.61 × 7,635.12
  4. Step 4: Simplify right side
    31,327.48x = 358,778,946.22
  5. Step 5: Solve for x
    x = 358,778,946.22/31,327.48
  6. Step 6: Final answer
    x = 11,452.53

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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.