Home / 55,031.49-82,500.61-21,775.02

Finding the Fourth Proportional to 55,031.49, 82,500.61 and 21,775.02

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Solution

The fourth proportional to 55,031.49, 82,500.61 and 21,775.02 is: 32,644.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,031.49 : 82,500.61 = 21,775.02 : x
  2. Step 2: Convert to fraction form
    55,031.49/82,500.61 = 21,775.02/x
  3. Step 3: Cross multiply
    55,031.49x = 82,500.61 × 21,775.02
  4. Step 4: Simplify right side
    55,031.49x = 1,796,452,432.76
  5. Step 5: Solve for x
    x = 1,796,452,432.76/55,031.49
  6. Step 6: Final answer
    x = 32,644.08

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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.