Home / 51,158.14-70,581.99-28,797.82

Finding the Fourth Proportional to 51,158.14, 70,581.99 and 28,797.82

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Solution

The fourth proportional to 51,158.14, 70,581.99 and 28,797.82 is: 39,731.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,158.14 : 70,581.99 = 28,797.82 : x
  2. Step 2: Convert to fraction form
    51,158.14/70,581.99 = 28,797.82/x
  3. Step 3: Cross multiply
    51,158.14x = 70,581.99 × 28,797.82
  4. Step 4: Simplify right side
    51,158.14x = 2,032,607,443.26
  5. Step 5: Solve for x
    x = 2,032,607,443.26/51,158.14
  6. Step 6: Final answer
    x = 39,731.85

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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.