Home / 31,838.16-47,754.48-10,777.75

Finding the Fourth Proportional to 31,838.16, 47,754.48 and 10,777.75

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Solution

The fourth proportional to 31,838.16, 47,754.48 and 10,777.75 is: 16,165.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,838.16 : 47,754.48 = 10,777.75 : x
  2. Step 2: Convert to fraction form
    31,838.16/47,754.48 = 10,777.75/x
  3. Step 3: Cross multiply
    31,838.16x = 47,754.48 × 10,777.75
  4. Step 4: Simplify right side
    31,838.16x = 514,685,608.05
  5. Step 5: Solve for x
    x = 514,685,608.05/31,838.16
  6. Step 6: Final answer
    x = 16,165.69

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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.