Home / 30,752.82-46,136.43-13,212.90

Finding the Fourth Proportional to 30,752.82, 46,136.43 and 13,212.90

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Solution

The fourth proportional to 30,752.82, 46,136.43 and 13,212.90 is: 19,822.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,752.82 : 46,136.43 = 13,212.90 : x
  2. Step 2: Convert to fraction form
    30,752.82/46,136.43 = 13,212.90/x
  3. Step 3: Cross multiply
    30,752.82x = 46,136.43 × 13,212.90
  4. Step 4: Simplify right side
    30,752.82x = 609,596,035.95
  5. Step 5: Solve for x
    x = 609,596,035.95/30,752.82
  6. Step 6: Final answer
    x = 19,822.44

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1.5x scale

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.