Home / 31,482.17-47,211.91-10,418.32

Finding the Fourth Proportional to 31,482.17, 47,211.91 and 10,418.32

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Solution

The fourth proportional to 31,482.17, 47,211.91 and 10,418.32 is: 15,623.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,482.17 : 47,211.91 = 10,418.32 : x
  2. Step 2: Convert to fraction form
    31,482.17/47,211.91 = 10,418.32/x
  3. Step 3: Cross multiply
    31,482.17x = 47,211.91 × 10,418.32
  4. Step 4: Simplify right side
    31,482.17x = 491,868,786.19
  5. Step 5: Solve for x
    x = 491,868,786.19/31,482.17
  6. Step 6: Final answer
    x = 15,623.73

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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.