Home / 40,669.90-61,010.42-12,592.26

Finding the Fourth Proportional to 40,669.90, 61,010.42 and 12,592.26

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Solution

The fourth proportional to 40,669.90, 61,010.42 and 12,592.26 is: 18,890.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,669.90 : 61,010.42 = 12,592.26 : x
  2. Step 2: Convert to fraction form
    40,669.90/61,010.42 = 12,592.26/x
  3. Step 3: Cross multiply
    40,669.90x = 61,010.42 × 12,592.26
  4. Step 4: Simplify right side
    40,669.90x = 768,259,008.39
  5. Step 5: Solve for x
    x = 768,259,008.39/40,669.90
  6. Step 6: Final answer
    x = 18,890.11

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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.