Home / 42,495.53-63,736.35-12,502.75

Finding the Fourth Proportional to 42,495.53, 63,736.35 and 12,502.75

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Solution

The fourth proportional to 42,495.53, 63,736.35 and 12,502.75 is: 18,752.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,495.53 : 63,736.35 = 12,502.75 : x
  2. Step 2: Convert to fraction form
    42,495.53/63,736.35 = 12,502.75/x
  3. Step 3: Cross multiply
    42,495.53x = 63,736.35 × 12,502.75
  4. Step 4: Simplify right side
    42,495.53x = 796,879,649.96
  5. Step 5: Solve for x
    x = 796,879,649.96/42,495.53
  6. Step 6: Final answer
    x = 18,752.08

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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.