Home / 31,488.45-47,244.94-11,762.38

Finding the Fourth Proportional to 31,488.45, 47,244.94 and 11,762.38

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Solution

The fourth proportional to 31,488.45, 47,244.94 and 11,762.38 is: 17,648.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,488.45 : 47,244.94 = 11,762.38 : x
  2. Step 2: Convert to fraction form
    31,488.45/47,244.94 = 11,762.38/x
  3. Step 3: Cross multiply
    31,488.45x = 47,244.94 × 11,762.38
  4. Step 4: Simplify right side
    31,488.45x = 555,712,967.01
  5. Step 5: Solve for x
    x = 555,712,967.01/31,488.45
  6. Step 6: Final answer
    x = 17,648.15

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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.