Home / 51,820.16-77,628.17-48,175.16

Finding the Fourth Proportional to 51,820.16, 77,628.17 and 48,175.16

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Solution

The fourth proportional to 51,820.16, 77,628.17 and 48,175.16 is: 72,167.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,820.16 : 77,628.17 = 48,175.16 : x
  2. Step 2: Convert to fraction form
    51,820.16/77,628.17 = 48,175.16/x
  3. Step 3: Cross multiply
    51,820.16x = 77,628.17 × 48,175.16
  4. Step 4: Simplify right side
    51,820.16x = 3,739,749,242.55
  5. Step 5: Solve for x
    x = 3,739,749,242.55/51,820.16
  6. Step 6: Final answer
    x = 72,167.85

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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.