Home / 31,518.21-47,277.47-9,332.01

Finding the Fourth Proportional to 31,518.21, 47,277.47 and 9,332.01

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Solution

The fourth proportional to 31,518.21, 47,277.47 and 9,332.01 is: 13,998.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,518.21 : 47,277.47 = 9,332.01 : x
  2. Step 2: Convert to fraction form
    31,518.21/47,277.47 = 9,332.01/x
  3. Step 3: Cross multiply
    31,518.21x = 47,277.47 × 9,332.01
  4. Step 4: Simplify right side
    31,518.21x = 441,193,846.14
  5. Step 5: Solve for x
    x = 441,193,846.14/31,518.21
  6. Step 6: Final answer
    x = 13,998.06

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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.