Home / 51,157.38-70,600.43-28,802.82

Finding the Fourth Proportional to 51,157.38, 70,600.43 and 28,802.82

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Solution

The fourth proportional to 51,157.38, 70,600.43 and 28,802.82 is: 39,749.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,157.38 : 70,600.43 = 28,802.82 : x
  2. Step 2: Convert to fraction form
    51,157.38/70,600.43 = 28,802.82/x
  3. Step 3: Cross multiply
    51,157.38x = 70,600.43 × 28,802.82
  4. Step 4: Simplify right side
    51,157.38x = 2,033,491,333.20
  5. Step 5: Solve for x
    x = 2,033,491,333.20/51,157.38
  6. Step 6: Final answer
    x = 39,749.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.