Home / 35,748.50-49,331.28-19,832.80

Finding the Fourth Proportional to 35,748.50, 49,331.28 and 19,832.80

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Solution

The fourth proportional to 35,748.50, 49,331.28 and 19,832.80 is: 27,368.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,748.50 : 49,331.28 = 19,832.80 : x
  2. Step 2: Convert to fraction form
    35,748.50/49,331.28 = 19,832.80/x
  3. Step 3: Cross multiply
    35,748.50x = 49,331.28 × 19,832.80
  4. Step 4: Simplify right side
    35,748.50x = 978,377,409.98
  5. Step 5: Solve for x
    x = 978,377,409.98/35,748.50
  6. Step 6: Final answer
    x = 27,368.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.