Home / 45,656.99-63,046.73-28,690.64

Finding the Fourth Proportional to 45,656.99, 63,046.73 and 28,690.64

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Solution

The fourth proportional to 45,656.99, 63,046.73 and 28,690.64 is: 39,618.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,656.99 : 63,046.73 = 28,690.64 : x
  2. Step 2: Convert to fraction form
    45,656.99/63,046.73 = 28,690.64/x
  3. Step 3: Cross multiply
    45,656.99x = 63,046.73 × 28,690.64
  4. Step 4: Simplify right side
    45,656.99x = 1,808,850,890.15
  5. Step 5: Solve for x
    x = 1,808,850,890.15/45,656.99
  6. Step 6: Final answer
    x = 39,618.27

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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.