Home / 31,697.88-47,539.11-10,632.45

Finding the Fourth Proportional to 31,697.88, 47,539.11 and 10,632.45

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Solution

The fourth proportional to 31,697.88, 47,539.11 and 10,632.45 is: 15,946.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,697.88 : 47,539.11 = 10,632.45 : x
  2. Step 2: Convert to fraction form
    31,697.88/47,539.11 = 10,632.45/x
  3. Step 3: Cross multiply
    31,697.88x = 47,539.11 × 10,632.45
  4. Step 4: Simplify right side
    31,697.88x = 505,457,210.12
  5. Step 5: Solve for x
    x = 505,457,210.12/31,697.88
  6. Step 6: Final answer
    x = 15,946.09

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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.