Home / 31,939.16-47,925.14-14,181.98

Finding the Fourth Proportional to 31,939.16, 47,925.14 and 14,181.98

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Solution

The fourth proportional to 31,939.16, 47,925.14 and 14,181.98 is: 21,280.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,939.16 : 47,925.14 = 14,181.98 : x
  2. Step 2: Convert to fraction form
    31,939.16/47,925.14 = 14,181.98/x
  3. Step 3: Cross multiply
    31,939.16x = 47,925.14 × 14,181.98
  4. Step 4: Simplify right side
    31,939.16x = 679,673,066.44
  5. Step 5: Solve for x
    x = 679,673,066.44/31,939.16
  6. Step 6: Final answer
    x = 21,280.25

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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.