Home / 31,482.60-47,223.82-11,762.70

Finding the Fourth Proportional to 31,482.60, 47,223.82 and 11,762.70

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Solution

The fourth proportional to 31,482.60, 47,223.82 and 11,762.70 is: 17,644.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,482.60 : 47,223.82 = 11,762.70 : x
  2. Step 2: Convert to fraction form
    31,482.60/47,223.82 = 11,762.70/x
  3. Step 3: Cross multiply
    31,482.60x = 47,223.82 × 11,762.70
  4. Step 4: Simplify right side
    31,482.60x = 555,479,627.51
  5. Step 5: Solve for x
    x = 555,479,627.51/31,482.60
  6. Step 6: Final answer
    x = 17,644.02

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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.