Home / 31,730.36-47,596.40-9,240.14

Finding the Fourth Proportional to 31,730.36, 47,596.40 and 9,240.14

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Solution

The fourth proportional to 31,730.36, 47,596.40 and 9,240.14 is: 13,860.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,730.36 : 47,596.40 = 9,240.14 : x
  2. Step 2: Convert to fraction form
    31,730.36/47,596.40 = 9,240.14/x
  3. Step 3: Cross multiply
    31,730.36x = 47,596.40 × 9,240.14
  4. Step 4: Simplify right side
    31,730.36x = 439,797,351.62
  5. Step 5: Solve for x
    x = 439,797,351.62/31,730.36
  6. Step 6: Final answer
    x = 13,860.46

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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.