Home / 31,407.10-47,110.65-27,907.90

Finding the Fourth Proportional to 31,407.10, 47,110.65 and 27,907.90

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Solution

The fourth proportional to 31,407.10, 47,110.65 and 27,907.90 is: 41,861.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,407.10 : 47,110.65 = 27,907.90 : x
  2. Step 2: Convert to fraction form
    31,407.10/47,110.65 = 27,907.90/x
  3. Step 3: Cross multiply
    31,407.10x = 47,110.65 × 27,907.90
  4. Step 4: Simplify right side
    31,407.10x = 1,314,759,309.14
  5. Step 5: Solve for x
    x = 1,314,759,309.14/31,407.10
  6. Step 6: Final answer
    x = 41,861.85

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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.