Home / 31,941.16-47,928.14-14,183.98

Finding the Fourth Proportional to 31,941.16, 47,928.14 and 14,183.98

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Solution

The fourth proportional to 31,941.16, 47,928.14 and 14,183.98 is: 21,283.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,941.16 : 47,928.14 = 14,183.98 : x
  2. Step 2: Convert to fraction form
    31,941.16/47,928.14 = 14,183.98/x
  3. Step 3: Cross multiply
    31,941.16x = 47,928.14 × 14,183.98
  4. Step 4: Simplify right side
    31,941.16x = 679,811,779.20
  5. Step 5: Solve for x
    x = 679,811,779.20/31,941.16
  6. Step 6: Final answer
    x = 21,283.25

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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.