Home / 31,505.36-47,267.27-9,319.33

Finding the Fourth Proportional to 31,505.36, 47,267.27 and 9,319.33

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Solution

The fourth proportional to 31,505.36, 47,267.27 and 9,319.33 is: 13,981.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,505.36 : 47,267.27 = 9,319.33 : x
  2. Step 2: Convert to fraction form
    31,505.36/47,267.27 = 9,319.33/x
  3. Step 3: Cross multiply
    31,505.36x = 47,267.27 × 9,319.33
  4. Step 4: Simplify right side
    31,505.36x = 440,499,334.76
  5. Step 5: Solve for x
    x = 440,499,334.76/31,505.36
  6. Step 6: Final answer
    x = 13,981.73

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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.