Home / 55,191.34-82,799.22-20,130.88

Finding the Fourth Proportional to 55,191.34, 82,799.22 and 20,130.88

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Solution

The fourth proportional to 55,191.34, 82,799.22 and 20,130.88 is: 30,200.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,191.34 : 82,799.22 = 20,130.88 : x
  2. Step 2: Convert to fraction form
    55,191.34/82,799.22 = 20,130.88/x
  3. Step 3: Cross multiply
    55,191.34x = 82,799.22 × 20,130.88
  4. Step 4: Simplify right side
    55,191.34x = 1,666,821,161.91
  5. Step 5: Solve for x
    x = 1,666,821,161.91/55,191.34
  6. Step 6: Final answer
    x = 30,200.77

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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.