Home / 31,632.90-47,449.53-8,259.54

Finding the Fourth Proportional to 31,632.90, 47,449.53 and 8,259.54

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Solution

The fourth proportional to 31,632.90, 47,449.53 and 8,259.54 is: 12,389.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,632.90 : 47,449.53 = 8,259.54 : x
  2. Step 2: Convert to fraction form
    31,632.90/47,449.53 = 8,259.54/x
  3. Step 3: Cross multiply
    31,632.90x = 47,449.53 × 8,259.54
  4. Step 4: Simplify right side
    31,632.90x = 391,911,291.02
  5. Step 5: Solve for x
    x = 391,911,291.02/31,632.90
  6. Step 6: Final answer
    x = 12,389.36

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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.