Home / 31,482-47,223.18-10,705.68

Finding the Fourth Proportional to 31,482, 47,223.18 and 10,705.68

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Solution

The fourth proportional to 31,482, 47,223.18 and 10,705.68 is: 16,058.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,482 : 47,223.18 = 10,705.68 : x
  2. Step 2: Convert to fraction form
    31,482/47,223.18 = 10,705.68/x
  3. Step 3: Cross multiply
    31,482x = 47,223.18 × 10,705.68
  4. Step 4: Simplify right side
    31,482x = 505,556,253.66
  5. Step 5: Solve for x
    x = 505,556,253.66/31,482
  6. Step 6: Final answer
    x = 16,058.58

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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.