Home / 55,229.04-82,853.89-30,255.32

Finding the Fourth Proportional to 55,229.04, 82,853.89 and 30,255.32

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Solution

The fourth proportional to 55,229.04, 82,853.89 and 30,255.32 is: 45,388.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,229.04 : 82,853.89 = 30,255.32 : x
  2. Step 2: Convert to fraction form
    55,229.04/82,853.89 = 30,255.32/x
  3. Step 3: Cross multiply
    55,229.04x = 82,853.89 × 30,255.32
  4. Step 4: Simplify right side
    55,229.04x = 2,506,771,086.69
  5. Step 5: Solve for x
    x = 2,506,771,086.69/55,229.04
  6. Step 6: Final answer
    x = 45,388.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.