Home / 31,504.76-47,267.16-9,318.26

Finding the Fourth Proportional to 31,504.76, 47,267.16 and 9,318.26

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Solution

The fourth proportional to 31,504.76, 47,267.16 and 9,318.26 is: 13,980.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,504.76 : 47,267.16 = 9,318.26 : x
  2. Step 2: Convert to fraction form
    31,504.76/47,267.16 = 9,318.26/x
  3. Step 3: Cross multiply
    31,504.76x = 47,267.16 × 9,318.26
  4. Step 4: Simplify right side
    31,504.76x = 440,447,450.01
  5. Step 5: Solve for x
    x = 440,447,450.01/31,504.76
  6. Step 6: Final answer
    x = 13,980.35

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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.