Home / 40,089.56-55,328.40-23,322.56

Finding the Fourth Proportional to 40,089.56, 55,328.40 and 23,322.56

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Solution

The fourth proportional to 40,089.56, 55,328.40 and 23,322.56 is: 32,187.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,089.56 : 55,328.40 = 23,322.56 : x
  2. Step 2: Convert to fraction form
    40,089.56/55,328.40 = 23,322.56/x
  3. Step 3: Cross multiply
    40,089.56x = 55,328.40 × 23,322.56
  4. Step 4: Simplify right side
    40,089.56x = 1,290,399,928.70
  5. Step 5: Solve for x
    x = 1,290,399,928.70/40,089.56
  6. Step 6: Final answer
    x = 32,187.93

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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.