Home / 31,519.56-47,282.37-10,455.12

Finding the Fourth Proportional to 31,519.56, 47,282.37 and 10,455.12

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Solution

The fourth proportional to 31,519.56, 47,282.37 and 10,455.12 is: 15,683.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,519.56 : 47,282.37 = 10,455.12 : x
  2. Step 2: Convert to fraction form
    31,519.56/47,282.37 = 10,455.12/x
  3. Step 3: Cross multiply
    31,519.56x = 47,282.37 × 10,455.12
  4. Step 4: Simplify right side
    31,519.56x = 494,342,852.23
  5. Step 5: Solve for x
    x = 494,342,852.23/31,519.56
  6. Step 6: Final answer
    x = 15,683.69

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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.