Home / 55,271.40-82,898.30-18,335.40

Finding the Fourth Proportional to 55,271.40, 82,898.30 and 18,335.40

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Solution

The fourth proportional to 55,271.40, 82,898.30 and 18,335.40 is: 27,500.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,271.40 : 82,898.30 = 18,335.40 : x
  2. Step 2: Convert to fraction form
    55,271.40/82,898.30 = 18,335.40/x
  3. Step 3: Cross multiply
    55,271.40x = 82,898.30 × 18,335.40
  4. Step 4: Simplify right side
    55,271.40x = 1,519,973,489.82
  5. Step 5: Solve for x
    x = 1,519,973,489.82/55,271.40
  6. Step 6: Final answer
    x = 27,500.18

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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.