Home / 31,506.39-47,268.82-9,320.36

Finding the Fourth Proportional to 31,506.39, 47,268.82 and 9,320.36

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Solution

The fourth proportional to 31,506.39, 47,268.82 and 9,320.36 is: 13,983.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,506.39 : 47,268.82 = 9,320.36 : x
  2. Step 2: Convert to fraction form
    31,506.39/47,268.82 = 9,320.36/x
  3. Step 3: Cross multiply
    31,506.39x = 47,268.82 × 9,320.36
  4. Step 4: Simplify right side
    31,506.39x = 440,562,419.18
  5. Step 5: Solve for x
    x = 440,562,419.18/31,506.39
  6. Step 6: Final answer
    x = 13,983.27

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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.