Home / 31,500.54-47,225.30-11,776.23

Finding the Fourth Proportional to 31,500.54, 47,225.30 and 11,776.23

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Solution

The fourth proportional to 31,500.54, 47,225.30 and 11,776.23 is: 17,654.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,500.54 : 47,225.30 = 11,776.23 : x
  2. Step 2: Convert to fraction form
    31,500.54/47,225.30 = 11,776.23/x
  3. Step 3: Cross multiply
    31,500.54x = 47,225.30 × 11,776.23
  4. Step 4: Simplify right side
    31,500.54x = 556,135,935.74
  5. Step 5: Solve for x
    x = 556,135,935.74/31,500.54
  6. Step 6: Final answer
    x = 17,654.81

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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.