Home / 55,207.04-82,808.64-18,270.72

Finding the Fourth Proportional to 55,207.04, 82,808.64 and 18,270.72

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Solution

The fourth proportional to 55,207.04, 82,808.64 and 18,270.72 is: 27,405.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,207.04 : 82,808.64 = 18,270.72 : x
  2. Step 2: Convert to fraction form
    55,207.04/82,808.64 = 18,270.72/x
  3. Step 3: Cross multiply
    55,207.04x = 82,808.64 × 18,270.72
  4. Step 4: Simplify right side
    55,207.04x = 1,512,973,475.02
  5. Step 5: Solve for x
    x = 1,512,973,475.02/55,207.04
  6. Step 6: Final answer
    x = 27,405.44

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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.