Home / 55,412.64-76,471.20-30,263.04

Finding the Fourth Proportional to 55,412.64, 76,471.20 and 30,263.04

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Solution

The fourth proportional to 55,412.64, 76,471.20 and 30,263.04 is: 41,763.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,412.64 : 76,471.20 = 30,263.04 : x
  2. Step 2: Convert to fraction form
    55,412.64/76,471.20 = 30,263.04/x
  3. Step 3: Cross multiply
    55,412.64x = 76,471.20 × 30,263.04
  4. Step 4: Simplify right side
    55,412.64x = 2,314,250,984.45
  5. Step 5: Solve for x
    x = 2,314,250,984.45/55,412.64
  6. Step 6: Final answer
    x = 41,763.95

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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.