Home / 45,008.48-67,436.57-20,010.26

Finding the Fourth Proportional to 45,008.48, 67,436.57 and 20,010.26

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Solution

The fourth proportional to 45,008.48, 67,436.57 and 20,010.26 is: 29,981.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,008.48 : 67,436.57 = 20,010.26 : x
  2. Step 2: Convert to fraction form
    45,008.48/67,436.57 = 20,010.26/x
  3. Step 3: Cross multiply
    45,008.48x = 67,436.57 × 20,010.26
  4. Step 4: Simplify right side
    45,008.48x = 1,349,422,861.97
  5. Step 5: Solve for x
    x = 1,349,422,861.97/45,008.48
  6. Step 6: Final answer
    x = 29,981.53

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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.