Home / 40,990.08-56,479.68-33,041.28

Finding the Fourth Proportional to 40,990.08, 56,479.68 and 33,041.28

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Solution

The fourth proportional to 40,990.08, 56,479.68 and 33,041.28 is: 45,527.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,990.08 : 56,479.68 = 33,041.28 : x
  2. Step 2: Convert to fraction form
    40,990.08/56,479.68 = 33,041.28/x
  3. Step 3: Cross multiply
    40,990.08x = 56,479.68 × 33,041.28
  4. Step 4: Simplify right side
    40,990.08x = 1,866,160,921.19
  5. Step 5: Solve for x
    x = 1,866,160,921.19/40,990.08
  6. Step 6: Final answer
    x = 45,527.14

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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.