Home / 40,482.48-55,899-27,885.36

Finding the Fourth Proportional to 40,482.48, 55,899 and 27,885.36

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Solution

The fourth proportional to 40,482.48, 55,899 and 27,885.36 is: 38,504.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,482.48 : 55,899 = 27,885.36 : x
  2. Step 2: Convert to fraction form
    40,482.48/55,899 = 27,885.36/x
  3. Step 3: Cross multiply
    40,482.48x = 55,899 × 27,885.36
  4. Step 4: Simplify right side
    40,482.48x = 1,558,763,738.64
  5. Step 5: Solve for x
    x = 1,558,763,738.64/40,482.48
  6. Step 6: Final answer
    x = 38,504.65

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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.