Home / 40,896.48-61,344.73-12,816.53

Finding the Fourth Proportional to 40,896.48, 61,344.73 and 12,816.53

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Solution

The fourth proportional to 40,896.48, 61,344.73 and 12,816.53 is: 19,224.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,896.48 : 61,344.73 = 12,816.53 : x
  2. Step 2: Convert to fraction form
    40,896.48/61,344.73 = 12,816.53/x
  3. Step 3: Cross multiply
    40,896.48x = 61,344.73 × 12,816.53
  4. Step 4: Simplify right side
    40,896.48x = 786,226,572.39
  5. Step 5: Solve for x
    x = 786,226,572.39/40,896.48
  6. Step 6: Final answer
    x = 19,224.80

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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.