Home / 55,165.59-82,756.13-21,889.06

Finding the Fourth Proportional to 55,165.59, 82,756.13 and 21,889.06

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Solution

The fourth proportional to 55,165.59, 82,756.13 and 21,889.06 is: 32,836.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,165.59 : 82,756.13 = 21,889.06 : x
  2. Step 2: Convert to fraction form
    55,165.59/82,756.13 = 21,889.06/x
  3. Step 3: Cross multiply
    55,165.59x = 82,756.13 × 21,889.06
  4. Step 4: Simplify right side
    55,165.59x = 1,811,453,578.60
  5. Step 5: Solve for x
    x = 1,811,453,578.60/55,165.59
  6. Step 6: Final answer
    x = 32,836.66

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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.